Water Temperature of Rock Creek in Hillsboro, OR
Current Water Temperature
Measurement Time: Friday, August 22, 2025, 7:00 AM PDT
Temperature Locations
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Station Name: ROCK CREEK AT BROOKWOOD AVENUE, HILLSBORO, OR
Data Source: Water Data - usgc.gov
Elevation Above Sea Level: 135 feet / 41 meters
Nearest Address:
1645 SW Brookwood Ave
Hillsboro, OR 97123
Washington County
GPS Coordinates: 45.5081944, -122.9335
Nearby Water Temperatures
Tualatin River, Hillsboro, OR (2.8 mi)Beaverton Creek, Beaverton, OR (4.0 mi)
Tualatin River, Beaverton, OR (7.6 mi)
Fanno Creek, Beaverton, OR (7.8 mi)
Gales Creek, Forest Grove, OR (8.8 mi)
Tualatin River, Dilley, OR (9.5 mi)
Chicken Creek, Sherwood, OR (9.9 mi)
Wapato Creek, Gaston, OR (10.4 mi)
Fanno Creek, Tigard, OR (11.3 mi)
Scoggins Creek, Gaston, OR (11.3 mi)
Willamette River, Portland, OR (12.8 mi)
Scoggins Creek, Gaston, OR (13.2 mi)
Crystal Springs Creek, Portland, OR (14.3 mi)
East Fork Dairy Creek, Meacham Corner, OR (14.4 mi)
Johnson Creek, Milwaukie, OR (14.6 mi)
Weather for Hillsboro, Oregon
Current Weather

Humidity: 20%
Feels Like: 92.4°F
Wind: NNE 4 mph
Wind Gusts: 4.6 mph
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 7.4
Five Day Weather Forecast

Fri
H: 102°F
L: 62°F

Sat
H: 100°F
L: 70°F

Sun
H: 98°F
L: 72°F

Mon
H: 97°F
L: 66°F

Tue
H: 94°F
L: 66°F
Air Quality
Nitrogen Dioxide: 24.98 μg/m3
Sulphur Dioxide: 3.89 μg/m3
Ozone: 98 μg/m3
Astronomical
Sun Transit: 1:14 PM
Sunset: 8:07 PM
Daylight: 13 hrs 45 mins
Moon Transit: 12:57 AM
Moonset: 8:07 PM
Moon Phase: New
Moon Illumination: 0.0%
Best Times for Fishing or Hunting
Major Periods
8:19 PM - 10:49 PM12:27 AM - 2:57 PM
Minor Periods
7:37 PM - 9:07 PM5:02 AM - 6:32 AM
Action Rating: 6 out of 5
Heat Advisory issued August 22 at 4:52AM PDT until August 25 at 5:00AM PDT by NWS Portland OR
Effective: Fri August 22, 2025, 4:52 AM
Expires: Fri August 22, 2025, 5:00 PM
* WHAT...Dangerously hot conditions with high temperatures up to 93-98F and overnight low temperatures of 60-68F possible. * WHERE...North and Central Coast Range Mountains of Oregon, and Willapa Hills. * WHEN...From 11 AM this morning to 5 AM PDT Monday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events, especially for those spending time outdoors or without access to adequate cooling. * ADDITIONAL DETAILS...Friday and Saturday will be the hottest days.
Drink plenty of fluids, stay in a cool place during the heat of the day, stay out of the sunshine, and check up on relatives and neighbors. For those without air conditioning, use fans to keep air moving. Keeps windows closed during the day and open at night, unless air quality is degraded due to wildfire smoke. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.
Extreme Heat Warning issued August 22 at 4:52AM PDT until August 26 at 5:00AM PDT by NWS Portland OR
Effective: Fri August 22, 2025, 4:52 AM
Expires: Fri August 22, 2025, 5:00 PM
* WHAT...Dangerously hot conditions with high temperatures of 96-103F and overnight low temperatures of 60-70F expected, except low to mid 70s in the Columbia River Gorge. * WHERE...Greater Portland/Vancouver Metro, Western and Central Columbia River Gorge, the Corbett area and the Hood River Valley, Central and Southern Willamette Valley, Foothills of the Northern and Central Oregon Cascades, Lower Columbia River and Cowlitz River Valleys, and South Washington Cascade Foothills. * WHEN...From 11 AM this morning to 5 AM PDT Tuesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events, especially for those spending time outdoors or without access to adequate cooling. * ADDITIONAL DETAILS...Friday and Saturday will be the hottest days. The warmest overnight lows are expected to occur in the Columbia River Gorge and in urban areas from Salem northward.
Drink plenty of fluids, stay in a cool place during the heat of the day, stay out of the sunshine, and check up on relatives and neighbors. For those without air conditioning, use fans to keep air moving. Keeps windows closed during the day and open at night, unless air quality is degraded due to wildfire smoke. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.
Heat Advisory issued August 22 at 4:52AM PDT until August 26 at 5:00AM PDT by NWS Portland OR
Effective: Fri August 22, 2025, 4:52 AM
Expires: Fri August 22, 2025, 5:00 PM
* WHAT...Dangerously hot conditions with high temperatures up to 93-98F and overnight low temperatures of 60-68F possible. * WHERE...South Washington Cascades and the Northern and Central Cascades of Oregon, North and Central Coast Range Valleys of Oregon, and Willapa and Wahkiakum Lowlands. * WHEN...From 11 AM this morning to 5 AM PDT Tuesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events, especially for those spending time outdoors or without access to adequate cooling. * ADDITIONAL DETAILS...Friday and Saturday will be the hottest days. Overnight lows as warm as the lower 70s are possible on the mid slopes of the Cascades.
Drink plenty of fluids, stay in a cool place during the heat of the day, stay out of the sunshine, and check up on relatives and neighbors. For those without air conditioning, use fans to keep air moving. Keeps windows closed during the day and open at night, unless air quality is degraded due to wildfire smoke. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.
Heat Advisory issued August 22 at 4:52AM PDT until August 25 at 5:00AM PDT by NWS Portland OR
Effective: Fri August 22, 2025, 4:52 AM
Expires: Fri August 22, 2025, 5:00 PM
* WHAT...Dangerously hot conditions with high temperatures up to 93-98F and overnight low temperatures of 60-68F possible. * WHERE...North and Central Coast Range Mountains of Oregon, and Willapa Hills. * WHEN...From 11 AM this morning to 5 AM PDT Monday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events, especially for those spending time outdoors or without access to adequate cooling. * ADDITIONAL DETAILS...Friday and Saturday will be the hottest days.
Drink plenty of fluids, stay in a cool place during the heat of the day, stay out of the sunshine, and check up on relatives and neighbors. For those without air conditioning, use fans to keep air moving. Keeps windows closed during the day and open at night, unless air quality is degraded due to wildfire smoke. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.
Extreme Heat Warning issued August 22 at 4:52AM PDT until August 26 at 5:00AM PDT by NWS Portland OR
Effective: Fri August 22, 2025, 4:52 AM
Expires: Fri August 22, 2025, 5:00 PM
* WHAT...Dangerously hot conditions with high temperatures of 96-103F and overnight low temperatures of 60-70F expected, except low to mid 70s in the Columbia River Gorge. * WHERE...Greater Portland/Vancouver Metro, Western and Central Columbia River Gorge, the Corbett area and the Hood River Valley, Central and Southern Willamette Valley, Foothills of the Northern and Central Oregon Cascades, Lower Columbia River and Cowlitz River Valleys, and South Washington Cascade Foothills. * WHEN...From 11 AM this morning to 5 AM PDT Tuesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events, especially for those spending time outdoors or without access to adequate cooling. * ADDITIONAL DETAILS...Friday and Saturday will be the hottest days. The warmest overnight lows are expected to occur in the Columbia River Gorge and in urban areas from Salem northward.
Drink plenty of fluids, stay in a cool place during the heat of the day, stay out of the sunshine, and check up on relatives and neighbors. For those without air conditioning, use fans to keep air moving. Keeps windows closed during the day and open at night, unless air quality is degraded due to wildfire smoke. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.
Weather Forecast
Average Temperature: 80.9°F
Average Humidity: 39%
Wind: 8.9 mph
UV Index: 2
Air Quality
Nitrogen Dioxide: 16.55 μg/m3
Sulphur Dioxide: 4.16 μg/m3
Ozone: 83.32 μg/m3
Astronomical
Sun Transit: 1:14 PM
Sunset: 8:07 PM
Daylight: 13 hrs 45 mins
Moon Transit: 12:57 AM
Moonset: 8:07 PM
Moon Phase: New
Moon Illumination: 0.0%
Best Times for Fishing or Hunting
Major Periods
8:19 PM - 10:49 PM12:27 AM - 2:57 PM
Minor Periods
7:37 PM - 9:07 PM5:02 AM - 6:32 AM
Action Rating: 6 out of 5
Weather Forecast
Average Temperature: 84.7°F
Average Humidity: 36%
Wind: 4.3 mph
UV Index: 1.9
Air Quality
Nitrogen Dioxide: 17.83 μg/m3
Sulphur Dioxide: 3.78 μg/m3
Ozone: 96.16 μg/m3
Astronomical
Sun Transit: 1:14 PM
Sunset: 8:05 PM
Daylight: 13 hrs 42 mins
Moon Transit: 1:43 PM
Moonset: 8:26 PM
Moon Phase: New
Moon Illumination: 1.4%
Best Times for Fishing or Hunting
Major Periods
9:03 PM - 11:33 PM1:13 PM - 3:43 PM
Minor Periods
7:56 PM - 9:26 PM6:16 AM - 7:46 AM
Action Rating: 5 out of 5
Weather Forecast
Average Temperature: 82.4°F
Average Humidity: 52%
Wind: 7.8 mph
UV Index: 1.9
Air Quality
Nitrogen Dioxide: 22.04 μg/m3
Sulphur Dioxide: 4.82 μg/m3
Ozone: 104.2 μg/m3
Astronomical
Sun Transit: 1:13 PM
Sunset: 8:03 PM
Daylight: 13 hrs 39 mins
Moon Transit: 2:25 PM
Moonset: 8:42 PM
Moon Phase: New
Moon Illumination: 0.1%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM1:55 PM - 4:25 PM
Minor Periods
8:12 PM - 9:42 PM7:26 AM - 8:56 AM
Action Rating: 4 out of 5
Weather Forecast
Average Temperature: 79.7°F
Average Humidity: 46%
Wind: 8.9 mph
UV Index: 1.9
Air Quality
Nitrogen Dioxide: 17.29 μg/m3
Sulphur Dioxide: 4.78 μg/m3
Ozone: 97.32 μg/m3
Astronomical
Sun Transit: 1:13 PM
Sunset: 8:01 PM
Daylight: 13 hrs 36 mins
Moon Transit: 3:06 PM
Moonset: 8:58 PM
Moon Phase: New
Moon Illumination: 1.9%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM2:36 PM - 5:06 PM
Minor Periods
8:28 PM - 9:58 PM8:33 AM - 10:03 AM
Action Rating: 4 out of 5
Weather Forecast
Average Temperature: 77.6°F
Average Humidity: 45%
Wind: 8.9 mph
UV Index: 0
Air Quality
Nitrogen Dioxide: 19.44 μg/m3
Sulphur Dioxide: 3.44 μg/m3
Ozone: 79.23 μg/m3
Astronomical
Sun Transit: 1:13 PM
Sunset: 8:00 PM
Daylight: 13 hrs 33 mins
Moon Transit: 3:47 PM
Moonset: 9:14 PM
Moon Phase: Waxing Crescent
Moon Illumination: 6.1%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM3:17 PM - 5:47 PM
Minor Periods
8:44 PM - 10:14 PM9:40 AM - 11:10 AM
Action Rating: 2 out of 5