Water Temperature of the South Fork Bull Run River in Marmot, OR

Current Water Temperature

52.2°F

Measurement Time: Friday, October 3, 2025, 1:45 AM PDT

Temperature Locations

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Local Points of Interest

Mount Hood National Forest

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South Fork Bull Run River

Station Name: SOUTH FORK BULL RUN RIVER NEAR BULL RUN, OR
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 1,171 feet / 357 meters

Nearest Address:
NF-12
Marmot, OR 97055
Clackamas County

GPS Coordinates: 45.444564, -122.1095292

Nearby Water Temperatures

Little Sandy River, Sandy, OR (3.6 mi)
Bull Run River, Aims, OR (4.3 mi)
Fir Creek, Brightwood, OR (4.7 mi)
North Fork Bull Run River, Corbett, OR (5.0 mi)
Bull Run River, Corbett, OR (6.0 mi)
Columbia River, Dodson, OR (11.8 mi)
Bull Run River, Brightwood, OR (12.0 mi)
Johnson Creek, Gresham, OR (15.4 mi)
Clackamas River, Estacada, OR (15.5 mi)
Eagle Creek, Bonneville, OR (16.1 mi)
Kelley Creek, Portland, OR (19.0 mi)
Clackamas River, Estacada, OR (19.3 mi)
Johnson Creek, Portland, OR (19.4 mi)
Fish Creek, Three Lynx, OR (20.6 mi)
Clackamas River, Three Lynx, OR (22.2 mi)

Weather for Marmot, Oregon

Current Weather

54°F
Overcast
Conditions: Overcast
Humidity: 97%
Feels Like: 54.8°F
Wind: WSW 2.2 mph
Wind Gusts: 6.7 mph
Pressure: 30.16 in
Precipitation: 0 in
Cloud Cover: 100%
Visibility: 8 mi
UV Index: 0.5

Five Day Weather Forecast

Partly Cloudy
Fri
H: 62°F
L: 47°F
Moderate rain
Sat
H: 51°F
L: 43°F
Partly Cloudy
Sun
H: 64°F
L: 46°F
Sunny
Mon
H: 69°F
L: 40°F
Sunny
Tue
H: 74°F
L: 41°F

Air Quality

AQI: 1 - Good
PM2.5: 6.35 μg/m3
PM10: 7.95 μg/m3
Carbon Monoxide: 137.85 μg/m3
Nitrogen Dioxide: 3.35 μg/m3
Sulphur Dioxide: 1.75 μg/m3
Ozone: 83 μg/m3

Astronomical

Sunrise: 7:10 AM
Sun Transit: 12:57 AM
Sunset: 6:44 PM
Daylight: 11 hrs 35 mins
Moonrise: 5:20 PM
Moon Transit: 10:33 PM
Moonset: 2:42 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 87.6%

Best Times for Fishing or Hunting

Major Periods

5:13 AM - 7:43 AM
12:00 AM - 12:00 AM

Minor Periods

4:50 PM - 6:20 PM
2:12 AM - 3:42 AM

Action Rating: 3 out of 5

Dense Fog Advisory issued October 3 at 4:08AM PDT until October 3 at 11:00AM PDT by NWS Portland OR

Effective: Fri October 3, 2025, 4:08 AM
Expires: Fri October 3, 2025, 11:00 AM

* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Greater Portland/Vancouver Metro, Central and Southern Willamette Valley, and Lower Columbia River and Cowlitz River Valleys. * WHEN...Until 11 AM PDT this morning. * IMPACTS...Low visibility could make driving conditions hazardous.

If driving, slow down, use your headlights, and leave plenty of distance ahead of you. If driving, slow down and leave plenty of distance ahead of you. Pedestrians and cyclists should wear bright or reflective clothing to increase the chances of being seen by others in poor visibility conditions.


Dense Fog Advisory issued October 3 at 4:08AM PDT until October 3 at 11:00AM PDT by NWS Portland OR

Effective: Fri October 3, 2025, 4:08 AM
Expires: Fri October 3, 2025, 11:00 AM

* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Greater Portland/Vancouver Metro, Central and Southern Willamette Valley, and Lower Columbia River and Cowlitz River Valleys. * WHEN...Until 11 AM PDT this morning. * IMPACTS...Low visibility could make driving conditions hazardous.

If driving, slow down, use your headlights, and leave plenty of distance ahead of you. If driving, slow down and leave plenty of distance ahead of you. Pedestrians and cyclists should wear bright or reflective clothing to increase the chances of being seen by others in poor visibility conditions.


Dense Fog Advisory issued October 3 at 4:08AM PDT until October 3 at 11:00AM PDT by NWS Portland OR

Effective: Fri October 3, 2025, 4:08 AM
Expires: Fri October 3, 2025, 11:00 AM

* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Greater Portland/Vancouver Metro, Central and Southern Willamette Valley, and Lower Columbia River and Cowlitz River Valleys. * WHEN...Until 11 AM PDT this morning. * IMPACTS...Low visibility could make driving conditions hazardous.

If driving, slow down, use your headlights, and leave plenty of distance ahead of you. If driving, slow down and leave plenty of distance ahead of you. Pedestrians and cyclists should wear bright or reflective clothing to increase the chances of being seen by others in poor visibility conditions.


Dense Fog Advisory issued October 3 at 4:08AM PDT until October 3 at 11:00AM PDT by NWS Portland OR

Effective: Fri October 3, 2025, 4:08 AM
Expires: Fri October 3, 2025, 11:00 AM

* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Greater Portland/Vancouver Metro, Central and Southern Willamette Valley, and Lower Columbia River and Cowlitz River Valleys. * WHEN...Until 11 AM PDT this morning. * IMPACTS...Low visibility could make driving conditions hazardous.

If driving, slow down, use your headlights, and leave plenty of distance ahead of you. If driving, slow down and leave plenty of distance ahead of you. Pedestrians and cyclists should wear bright or reflective clothing to increase the chances of being seen by others in poor visibility conditions.


Dense Fog Advisory issued October 3 at 4:08AM PDT until October 3 at 11:00AM PDT by NWS Portland OR

Effective: Fri October 3, 2025, 4:08 AM
Expires: Fri October 3, 2025, 11:00 AM

* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Greater Portland/Vancouver Metro, Central and Southern Willamette Valley, and Lower Columbia River and Cowlitz River Valleys. * WHEN...Until 11 AM PDT this morning. * IMPACTS...Low visibility could make driving conditions hazardous.

If driving, slow down, use your headlights, and leave plenty of distance ahead of you. If driving, slow down and leave plenty of distance ahead of you. Pedestrians and cyclists should wear bright or reflective clothing to increase the chances of being seen by others in poor visibility conditions.
Friday, October 3, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 53.6°F
Average Humidity: 77%
Chance of Rain: 0%
Wind: 5.8 mph
UV Index: 0.8

Air Quality

AQI: 1 - Good
PM2.5: 7.36 μg/m3
PM10: 9.26 μg/m3
Carbon Monoxide: 154.81 μg/m3
Nitrogen Dioxide: 9.22 μg/m3
Sulphur Dioxide: 1.78 μg/m3
Ozone: 63.96 μg/m3

Astronomical

Sunrise: 7:10 AM
Sun Transit: 12:57 AM
Sunset: 6:44 PM
Daylight: 11 hrs 35 mins
Moonrise: 5:20 PM
Moon Transit: 10:33 PM
Moonset: 2:42 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 87.6%

Best Times for Fishing or Hunting

Major Periods

5:13 AM - 7:43 AM
12:00 AM - 12:00 AM

Minor Periods

4:50 PM - 6:20 PM
2:12 AM - 3:42 AM

Action Rating: 3 out of 5

Saturday, October 4, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 48.5°F
Average Humidity: 96%
Chance of Rain: 87%
Wind: 4.5 mph
UV Index: 0.3

Air Quality

AQI: 1 - Good
PM2.5: 4.36 μg/m3
PM10: 5.21 μg/m3
Carbon Monoxide: 151.37 μg/m3
Nitrogen Dioxide: 6.7 μg/m3
Sulphur Dioxide: 1.58 μg/m3
Ozone: 62.64 μg/m3

Astronomical

Sunrise: 7:11 AM
Sun Transit: 12:56 AM
Sunset: 6:42 PM
Daylight: 11 hrs 32 mins
Moonrise: 5:41 PM
Moon Transit: 11:22 PM
Moonset: 3:59 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 94.0%

Best Times for Fishing or Hunting

Major Periods

6:02 AM - 8:32 AM
12:00 AM - 12:00 AM

Minor Periods

5:11 PM - 6:41 PM
3:29 AM - 4:59 AM

Action Rating: 3 out of 5

Sunday, October 5, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 54°F
Average Humidity: 66%
Chance of Rain: 0%
Wind: 7.8 mph
UV Index: 0.9

Air Quality

AQI: 1 - Good
PM2.5: 4.75 μg/m3
PM10: 5.23 μg/m3
Carbon Monoxide: 150.45 μg/m3
Nitrogen Dioxide: 8.09 μg/m3
Sulphur Dioxide: 1.81 μg/m3
Ozone: 58.6 μg/m3

Astronomical

Sunrise: 7:12 AM
Sun Transit: 12:56 AM
Sunset: 6:41 PM
Daylight: 11 hrs 29 mins
Moonrise: 6:00 PM
Moon Transit: 10:38 PM
Moonset: 5:17 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 98.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:00 AM - 12:00 AM

Minor Periods

5:30 PM - 7:00 PM
4:47 AM - 6:17 AM

Action Rating: 3 out of 5

Monday, October 6, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 52°F
Average Humidity: 50%
Chance of Rain: 0%
Wind: 11.4 mph
UV Index: 0.9

Air Quality

AQI: 1 - Good
PM2.5: 2.08 μg/m3
PM10: 2.09 μg/m3
Carbon Monoxide: 144.53 μg/m3
Nitrogen Dioxide: 4.97 μg/m3
Sulphur Dioxide: 2.05 μg/m3
Ozone: 73.76 μg/m3

Astronomical

Sunrise: 7:13 AM
Sun Transit: 12:56 AM
Sunset: 6:39 PM
Daylight: 11 hrs 25 mins
Moonrise: 6:20 PM
Moon Transit: 12:00 AM
Moonset: 6:38 AM
Moon Phase: Full
Moon Illumination: 100.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
7:40 AM - 10:10 AM

Minor Periods

5:50 PM - 7:20 PM
6:08 AM - 7:38 AM

Action Rating: 5 out of 5

Tuesday, October 7, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 54.4°F
Average Humidity: 46%
Chance of Rain: 0%
Wind: 8.1 mph
UV Index: 0

Air Quality

AQI: 1 - Good
PM2.5: 2.38 μg/m3
PM10: 2.44 μg/m3
Carbon Monoxide: 156.39 μg/m3
Nitrogen Dioxide: 5.8 μg/m3
Sulphur Dioxide: 1.73 μg/m3
Ozone: 70.85 μg/m3

Astronomical

Sunrise: 7:15 AM
Sun Transit: 12:56 AM
Sunset: 6:37 PM
Daylight: 11 hrs 22 mins
Moonrise: 6:42 PM
Moon Transit: 1:01 AM
Moonset: 8:00 AM
Moon Phase: Full
Moon Illumination: 99.1%

Best Times for Fishing or Hunting

Major Periods

12:31 AM - 3:01 AM
8:31 AM - 11:01 AM

Minor Periods

6:12 PM - 7:42 PM
7:30 AM - 9:00 AM

Action Rating: 5 out of 5

The times presented here are based upon the solunar theory, which is the idea that the movements of fish and other animals are affected by the location of the sun and moon. The major periods are believed to be the times of the greatest animal activity and occur when the moon is directly overhead or underfoot (lunar transits). The minor periods also see increased activity and occur when the moon is rising or setting. The strongest activity occurs during full or new moons, and the weakest during quarter or three quarter moons. This is indicated by the Action Rating.

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