Water Temperature of the South Santiam River in Cascadia, OR

Current Water Temperature

48.7°F

Measurement Time: Sunday, April 12, 2026, 11:00 AM PDT

Temperature Locations

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Local Points of Interest

Cascadia State Park; Foster, OR

South Santiam River

Station Name: SOUTH SANTIAM RIVER BELOW CASCADIA, OR
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 860 feet

Nearest Address:
47795 Santiam Hwy
Cascadia, OR 97329
Linn County

GPS Coordinates: 44.39179225, -122.4975817

Nearby Water Temperatures

Middle Santiam River, Foster, OR (4.7 mi)
South Santiam River, Sweet Home, OR (9.5 mi)
Middle Santiam River, Cascadia, OR (10.5 mi)
Quartzville Creek, Cascadia, OR (10.7 mi)
Blue River, Blue River, OR (16.6 mi)
North Fork Quartz Creek, Blue River, OR (16.9 mi)
Lookout Creek, Blue River, OR (17.3 mi)
Blue River Lake, Blue River, OR (17.4 mi)
South Santiam River, Waterloo, OR (17.7 mi)
Blue River, Blue River, OR (17.8 mi)
McKenzie River, Vida, OR (18.5 mi)
South Fork McKenzie River, Rainbow, OR (21.6 mi)
Smith River, Belknap Springs, OR (22.6 mi)
Smith River, Foster, OR (23.3 mi)
McKenzie River, Belknap Springs, OR (23.7 mi)

Weather for Cascadia, Oregon

Current Weather

50.6°F
Patchy rain nearby
Patchy rain nearby
47.9°F
50.6°F
88%
W 2.2 mph
2.6 mph
47.9°F
46.8°F
0 in
96%
1 mi
1009 mbar
0.1

Five Day Weather Forecast

Patchy rain nearby
Sun
H: 56°F
L: 42°F
Moderate rain
Mon
H: 46°F
L: 39°F
Heavy rain
Tue
H: 43°F
L: 39°F
Heavy rain
Wed
H: 42°F
L: 28°F
Moderate rain
Thu
H: 44°F
L: 22°F

Air Quality

AQI: 1 - Good
PM2.5: 2.45 μg/m3
PM10: 2.85 μg/m3
Carbon Monoxide: 154.85 μg/m3
Nitrogen Dioxide: 2.75 μg/m3
Sulphur Dioxide: 1.35 μg/m3
Ozone: 74 μg/m3

Astronomical

Sunrise: 6:31 AM
Sun Transit: 1:10 PM
Sunset: 7:51 PM
Daylight: 13 hrs 20 mins
Moonrise: 4:23 AM
Moon Transit: 9:22 AM
Moonset: 2:31 PM
Moon Phase: Waning Crescent
Moon Illumination: 12.6%

Best Times for Fishing or Hunting

Major Periods

8:52 AM - 11:22 AM
4:47 PM - 7:17 PM

Minor Periods

2:01 PM - 3:31 PM
3:53 AM - 5:23 AM

Action Rating: 2 out of 5

Winter Storm Watch issued April 12 at 12:32PM PDT until April 16 at 5:00AM PDT by NWS Portland OR

Effective: Sun April 12, 2026, 12:32 PM
Expires: Mon April 13, 2026, 5:00 AM

* WHAT...Heavy snow possible above 3500 ft. Total snow accumulations between 9 to 18 inches possible. Winds could gust as high as 45 mph. * WHERE...South Washington Cascades and the Northern and Central Cascades of Oregon. * WHEN...From Tuesday afternoon through late Wednesday night. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. * ADDITIONAL DETAILS...Latest guidance suggests the heaviest snow accumulations are forecast over the Cascades from Marion to Lane Counties.

Monitor the latest forecasts and warnings for updates on this situation. Persons should consider delaying all travel. If travel is absolutely necessary, drive with extreme caution. Consider taking a winter storm kit along with you, including such items as tire chains, booster cables, flashlight, shovel, blankets and extra clothing. Also take water, a first aid kit, and anything else that would help you survive in case you become stranded.


Sunday, April 12, 2026

Weather Forecast

Patchy rain nearby
55.8°F
42.1°F
48.3°F
84%
0.07 in
88%
0%
4 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 2.12 μg/m3
PM10: 2.2 μg/m3
Carbon Monoxide: 152.33 μg/m3
Nitrogen Dioxide: 3.78 μg/m3
Sulphur Dioxide: 1.24 μg/m3
Ozone: 65.08 μg/m3

Astronomical

Sunrise: 6:31 AM
Sun Transit: 1:10 PM
Sunset: 7:51 PM
Daylight: 13 hrs 20 mins
Moonrise: 4:23 AM
Moon Transit: 9:22 AM
Moonset: 2:31 PM
Moon Phase: Waning Crescent
Moon Illumination: 12.6%

Best Times for Fishing or Hunting

Major Periods

8:52 AM - 11:22 AM
4:47 PM - 7:17 PM

Minor Periods

2:01 PM - 3:31 PM
3:53 AM - 5:23 AM

Action Rating: 2 out of 5

Monday, April 13, 2026

Weather Forecast

Moderate rain
46.2°F
39.2°F
44.9°F
94%
0.39 in
89%
0%
4.9 mph
0.4


Air Quality

AQI: 1 - Good
PM2.5: 2.9 μg/m3
PM10: 3.5 μg/m3
Carbon Monoxide: 150.09 μg/m3
Nitrogen Dioxide: 2.35 μg/m3
Sulphur Dioxide: 1.22 μg/m3
Ozone: 76.4 μg/m3

Astronomical

Sunrise: 6:30 AM
Sun Transit: 1:10 PM
Sunset: 7:52 PM
Daylight: 13 hrs 23 mins
Moonrise: 4:45 AM
Moon Transit: 10:08 AM
Moonset: 3:43 PM
Moon Phase: Waning Crescent
Moon Illumination: 6.1%

Best Times for Fishing or Hunting

Major Periods

5:32 PM - 8:02 PM
9:38 AM - 12:08 AM

Minor Periods

3:13 PM - 4:43 PM
4:15 AM - 5:45 AM

Action Rating: 3 out of 5

Tuesday, April 14, 2026

Weather Forecast

Heavy rain
42.6°F
39.4°F
41°F
90%
1.61 in
89%
0%
8.7 mph
0.9


Air Quality

AQI: 1 - Good
PM2.5: 4.42 μg/m3
PM10: 5.64 μg/m3
Carbon Monoxide: 159.89 μg/m3
Nitrogen Dioxide: 2.39 μg/m3
Sulphur Dioxide: 1.03 μg/m3
Ozone: 76.16 μg/m3

Astronomical

Sunrise: 6:28 AM
Sun Transit: 1:10 PM
Sunset: 7:54 PM
Daylight: 13 hrs 26 mins
Moonrise: 5:05 AM
Moon Transit: 10:53 AM
Moonset: 4:56 PM
Moon Phase: Waning Crescent
Moon Illumination: 1.9%

Best Times for Fishing or Hunting

Major Periods

6:18 PM - 8:48 PM
10:23 AM - 12:53 AM

Minor Periods

4:26 PM - 5:56 PM
4:35 AM - 6:05 AM

Action Rating: 3 out of 5

Wednesday, April 15, 2026

Weather Forecast

Heavy rain
41.5°F
28.4°F
38.5°F
92%
4.52 in
88%
9%
8.1 mph
1


Air Quality

AQI: 1 - Good
PM2.5: 1.38 μg/m3
PM10: 1.49 μg/m3
Carbon Monoxide: 154.65 μg/m3
Nitrogen Dioxide: 2.29 μg/m3
Sulphur Dioxide: 0.97 μg/m3
Ozone: 80.92 μg/m3

Astronomical

Sunrise: 6:26 AM
Sun Transit: 1:09 PM
Sunset: 7:55 PM
Daylight: 13 hrs 29 mins
Moonrise: 5:24 AM
Moon Transit: 8:33 AM
Moonset: 6:12 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

8:03 AM - 10:33 AM
8:03 AM - 10:33 AM

Minor Periods

5:42 PM - 7:12 PM
4:54 AM - 6:24 AM

Action Rating: 3 out of 5

Thursday, April 16, 2026

Weather Forecast

Moderate rain
43.9°F
22.3°F
37.1°F
97%
0.25 in
74%
16%
4 mph
0.8


Air Quality

AQI: 1 - Good
PM2.5: 2.39 μg/m3
PM10: 3.14 μg/m3
Carbon Monoxide: 165.23 μg/m3
Nitrogen Dioxide: 2.33 μg/m3
Sulphur Dioxide: 1.09 μg/m3
Ozone: 86.15 μg/m3

Astronomical

Sunrise: 6:24 AM
Sun Transit: 1:09 PM
Sunset: 7:56 PM
Daylight: 13 hrs 32 mins
Moonrise: 5:45 AM
Moon Transit: 12:29 AM
Moonset: 7:30 PM
Moon Phase: New
Moon Illumination: 0.8%

Best Times for Fishing or Hunting

Major Periods

7:56 PM - 10:26 PM
11:59 AM - 2:29 PM

Minor Periods

7:00 PM - 8:30 PM
5:15 AM - 6:45 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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