Water Temperature of the Middle Santiam River in Cascadia, OR
Current Water Temperature
Measurement Time: Tuesday, July 21, 2026, 12:00 PM PDT
Temperature Locations
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Local Points of Interest
Elk Creek; Green Peter LakeStation Name: MIDDLE SANTIAM R NEAR CASCADIA, OR
Data Source: Water Data - usgc.gov
Elevation Above Sea Level: 1,096 feet
Nearest Address:
Cascadia, OR 97350
Linn County
GPS Coordinates: 44.5151239, -122.3720249
Nearby Water Temperatures
Quartzville Creek, Cascadia, OR (3.6 mi)Middle Santiam River, Foster, OR (9.9 mi)
South Santiam River, Cascadia, OR (10.5 mi)
Blowout Creek, Detroit, OR (15.2 mi)
Detroit Lake, Detroit, OR (15.3 mi)
North Santiam River, Niagara, OR (16.9 mi)
South Santiam River, Sweet Home, OR (17.2 mi)
North Santiam River, Idanha, OR (18.8 mi)
Breitenbush River, Detroit, OR (20.3 mi)
Smith River, Belknap Springs, OR (20.3 mi)
Blue River, Blue River, OR (21.2 mi)
McKenzie River, Clear Lake, OR (21.4 mi)
Little North Santiam River, Lyons, OR (21.6 mi)
Lookout Creek, Blue River, OR (21.9 mi)
South Santiam River, Waterloo, OR (22.3 mi)
Weather for Cascadia, Oregon
Current Weather

Five Day Weather Forecast

Tue
H: 95°F
L: 65°F

Wed
H: 91°F
L: 58°F

Thu
H: 84°F
L: 53°F

Fri
H: 84°F
L: 49°F

Sat
H: 75°F
L: 45°F
Air Quality
Nitrogen Dioxide: 1.5 μg/m3
Sulphur Dioxide: 0.6 μg/m3
Ozone: 129 μg/m3
Astronomical
Sun Transit: 1:15 PM
Sunset: 8:47 PM
Daylight: 15 hrs 2 mins
Moon Transit: 7:20 PM
Moonset: 12:46 AM
Moon Phase: First Quarter
Moon Illumination: 43.7%
Best Times for Fishing or Hunting
Major Periods
2:00 AM - 4:30 AM6:50 PM - 9:20 PM
Minor Periods
1:53 PM - 3:23 PM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
Heat Advisory issued July 21 at 10:47AM PDT until July 21 at 11:00PM PDT by NWS Portland OR
Effective: Tue July 21, 2026, 10:47 AM
Expires: Tue July 21, 2026, 11:00 PM
* WHAT...High temperature today of 95 to 98 degrees F. * WHERE...Cascade Foothills of Marion and Linn Counties and Linn County Lowlands. * WHEN...Until 11 PM PDT this evening. * IMPACTS...Hot temperatures may cause heat illnesses. * ADDITIONAL DETAILS...Smoke from area fires and incoming cloud cover may reduce temperatures in some locations. However, there remains a high probability of temperatures meeting Major HeatRisk today. This is especially true within the valleys.
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.
Weather Forecast
Air Quality
Nitrogen Dioxide: 5.94 μg/m3
Sulphur Dioxide: 1.88 μg/m3
Ozone: 115.42 μg/m3
Astronomical
Sun Transit: 1:15 PM
Sunset: 8:47 PM
Daylight: 15 hrs 2 mins
Moon Transit: 7:20 PM
Moonset: 12:46 AM
Moon Phase: First Quarter
Moon Illumination: 43.7%
Best Times for Fishing or Hunting
Major Periods
2:00 AM - 4:30 AM6:50 PM - 9:20 PM
Minor Periods
1:53 PM - 3:23 PM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 4.87 μg/m3
Sulphur Dioxide: 0.4 μg/m3
Ozone: 92.92 μg/m3
Astronomical
Sun Transit: 1:16 PM
Sunset: 8:46 PM
Daylight: 15 hrs mins
Moon Transit: 8:06 PM
Moonset: 12:09 AM
Moon Phase: First Quarter
Moon Illumination: 55.0%
Best Times for Fishing or Hunting
Major Periods
2:45 AM - 5:15 AM7:36 PM - 10:06 PM
Minor Periods
3:00 PM - 4:30 PM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 3.73 μg/m3
Sulphur Dioxide: 0.6 μg/m3
Ozone: 66 μg/m3
Astronomical
Sun Transit: 1:16 PM
Sunset: 8:45 PM
Daylight: 14 hrs 58 mins
Moon Transit: 8:54 PM
Moonset: 12:35 AM
Moon Phase: First Quarter
Moon Illumination: 66.1%
Best Times for Fishing or Hunting
Major Periods
3:32 AM - 6:02 AM8:24 PM - 10:54 PM
Minor Periods
4:06 PM - 5:36 PM12:05 AM - 1:35 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 4.69 μg/m3
Sulphur Dioxide: 0.41 μg/m3
Ozone: 44.79 μg/m3
Astronomical
Sun Transit: 1:16 PM
Sunset: 8:44 PM
Daylight: 14 hrs 56 mins
Moon Transit: 9:44 PM
Moonset: 1:07 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 76.3%
Best Times for Fishing or Hunting
Major Periods
4:20 AM - 6:50 AM9:14 PM - 11:44 PM
Minor Periods
5:08 PM - 6:38 PM12:37 AM - 2:07 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 9.6 μg/m3
Sulphur Dioxide: 0.53 μg/m3
Ozone: 31.67 μg/m3
Astronomical
Sun Transit: 1:16 PM
Sunset: 8:43 PM
Daylight: 14 hrs 54 mins
Moon Transit: 10:35 PM
Moonset: 1:47 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 85.2%
Best Times for Fishing or Hunting
Major Periods
5:11 AM - 7:41 AM12:00 AM - 12:00 AM
Minor Periods
6:05 PM - 7:35 PM1:17 AM - 2:47 AM
Action Rating: 2 out of 5
