Water Temperature of the American River in Folsom, CA

Current Water Temperature

52.5°F

Measurement Time: Tuesday, November 4, 2025, 4:45 AM PST

Temperature Locations

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Local Points of Interest

Folsom Dam; Folsom Lake

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American River

Station Name: AMERICAN R BL FOLSOM DAM NR FOLSOM CA
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 184 feet / 56 meters

Nearest Address:
500 Folsom Dam Rd
Folsom, CA 95630
Sacramento County

GPS Coordinates: 38.70452778, -121.164361

Nearby Water Temperatures

South Fork American River, Rescue, CA (9.3 mi)
North Fork American River, Auburn, CA (13.5 mi)
Cache Creek, Yolo, CA (34.7 mi)
Sacramento River, Walnut Grove, CA (36.3 mi)
Sacramento River, Walnut Grove, CA (37.6 mi)
Sacramento River, Meridian, CA (41.3 mi)
Sacramento River Deep Water Ship Chennel, Rio Vista, CA (42.4 mi)
Blackwood Creek, Idlewild, CA (60.6 mi)
General Creek, Tahoma, CA (61.2 mi)
Maxwell Creek, Saint Helena, CA (64.1 mi)
Upper Truckee River, South Lake Tahoe, CA (64.9 mi)
Pope Creek, Saint Helena, CA (64.9 mi)
Suisun Bay, Concord, CA (65.2 mi)
Trout Creek, South Lake Tahoe, CA (65.9 mi)
Carquinez Strait, Martinez, CA (69.6 mi)

Weather for Folsom, California

Current Weather

73.6°F
Sunny
Conditions: Sunny
Humidity: 57%
Feels Like: 76.8°F
Wind: SSW 6.9 mph
Wind Gusts: 8 mph
Pressure: 30.01 in
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 2.1

Five Day Weather Forecast

Sunny
Tue
H: 77°F
L: 52°F
Heavy rain
Wed
H: 55°F
L: 53°F
Moderate rain
Thu
H: 68°F
L: 56°F
Cloudy
Fri
H: 70°F
L: 54°F
Sunny
Sat
H: 70°F
L: 51°F

Air Quality

AQI: 2 - Moderate
PM2.5: 15.65 μg/m3
PM10: 17.05 μg/m3
Carbon Monoxide: 603.85 μg/m3
Nitrogen Dioxide: 49.25 μg/m3
Sulphur Dioxide: 7.45 μg/m3
Ozone: 14 μg/m3

Astronomical

Sunrise: 6:36 AM
Sun Transit: 11:48 AM
Sunset: 5:01 PM
Daylight: 10 hrs 25 mins
Moonrise: 4:17 PM
Moon Transit: 11:29 PM
Moonset: 5:34 AM
Moon Phase: Full
Moon Illumination: 99.4%

Best Times for Fishing or Hunting

Major Periods

6:11 AM - 8:41 AM
12:00 AM - 12:00 AM

Minor Periods

3:47 PM - 5:17 PM
5:04 AM - 6:34 AM

Action Rating: 6 out of 5

Wind Advisory issued November 4 at 1:33AM PST until November 5 at 4:00PM PST by NWS Sacramento CA

Effective: Tue November 4, 2025, 1:33 AM
Expires: Wed November 5, 2025, 4:15 AM

* WHAT...Southerly winds 15 to 25 mph with gusts 35 to 45 mph expected, and gusts of 45 to 55 mph in the Delta. * WHERE...Carquinez Strait and Delta, Sacramento Valley, and Northeast Foothills. * WHEN...From 10 PM this evening to 4 PM PST Wednesday. * IMPACTS...Gusty southerly winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...Strongest winds expected Wednesday morning.

Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects.


High Wind Warning issued November 4 at 12:27AM PST until November 5 at 10:00PM PST by NWS Reno NV

Effective: Tue November 4, 2025, 12:27 AM
Expires: Wed November 5, 2025, 4:15 AM

* WHAT...For the High Wind Warning, southwest winds 35 to 45 mph with gusts up to 65 mph and ridgetop gusts up to 110 mph; on Lake Tahoe, gusts up to 45 mph with wave heights of 3 to 5 feet. For the Lake Wind Advisory, the winds have decreased below advisory levels, therefore the advisory is allowed to expire. * WHERE...Greater Lake Tahoe Area. * WHEN...From 1 AM to 10 PM PST Wednesday. * IMPACTS...Damaging winds will blow down trees and power lines. Widespread power outages are expected. Travel will be difficult, especially for high profile vehicles.

Now is the time to secure loose outdoor items such as patio furniture, holiday decorations, and trash cans before winds increase which could blow these items away. The best thing to do is prepare ahead of time by making sure you have extra food and water on hand, flashlights with spare batteries and/or candles in the event of a power outage.


Tuesday, November 4, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 61.1°F
Average Humidity: 69%
Chance of Rain: 0%
Wind: 8.3 mph
UV Index: 0.6

Air Quality

AQI: 1 - Good
PM2.5: 11.74 μg/m3
PM10: 12.95 μg/m3
Carbon Monoxide: 187.49 μg/m3
Nitrogen Dioxide: 26.26 μg/m3
Sulphur Dioxide: 4.9 μg/m3
Ozone: 44.76 μg/m3

Astronomical

Sunrise: 6:36 AM
Sun Transit: 11:48 AM
Sunset: 5:01 PM
Daylight: 10 hrs 25 mins
Moonrise: 4:17 PM
Moon Transit: 11:29 PM
Moonset: 5:34 AM
Moon Phase: Full
Moon Illumination: 99.4%

Best Times for Fishing or Hunting

Major Periods

6:11 AM - 8:41 AM
12:00 AM - 12:00 AM

Minor Periods

3:47 PM - 5:17 PM
5:04 AM - 6:34 AM

Action Rating: 6 out of 5

Wednesday, November 5, 2025

Weather Forecast

Conditions: Heavy rain
Average Temperature: 55.2°F
Average Humidity: 88%
Chance of Rain: 89%
Wind: 14.8 mph
UV Index: 0.1

Air Quality

AQI: 1 - Good
PM2.5: 13.27 μg/m3
PM10: 15.24 μg/m3
Carbon Monoxide: 265.37 μg/m3
Nitrogen Dioxide: 25.83 μg/m3
Sulphur Dioxide: 5.26 μg/m3
Ozone: 49.08 μg/m3

Astronomical

Sunrise: 6:37 AM
Sun Transit: 11:48 AM
Sunset: 5:00 PM
Daylight: 10 hrs 23 mins
Moonrise: 4:55 PM
Moon Transit: 12:00 AM
Moonset: 6:55 AM
Moon Phase: Full
Moon Illumination: 99.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
7:08 AM - 9:38 AM

Minor Periods

4:25 PM - 5:55 PM
6:25 AM - 7:55 AM

Action Rating: 4 out of 5

Thursday, November 6, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 60°F
Average Humidity: 76%
Chance of Rain: 87%
Wind: 5.6 mph
UV Index: 0.7

Air Quality

AQI: 1 - Good
PM2.5: 9.07 μg/m3
PM10: 10.7 μg/m3
Carbon Monoxide: 217.25 μg/m3
Nitrogen Dioxide: 14.29 μg/m3
Sulphur Dioxide: 2.83 μg/m3
Ozone: 51.88 μg/m3

Astronomical

Sunrise: 6:38 AM
Sun Transit: 11:48 AM
Sunset: 4:59 PM
Daylight: 10 hrs 21 mins
Moonrise: 5:41 PM
Moon Transit: 12:29 AM
Moonset: 8:16 AM
Moon Phase: Full
Moon Illumination: 97.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
8:10 AM - 10:40 AM

Minor Periods

5:11 PM - 6:41 PM
7:46 AM - 9:16 AM

Action Rating: 4 out of 5

Friday, November 7, 2025

Weather Forecast

Conditions: Cloudy
Average Temperature: 59.7°F
Average Humidity: 67%
Chance of Rain: 0%
Wind: 6.5 mph
UV Index: 0.3

Air Quality

AQI: 1 - Good
PM2.5: 15.26 μg/m3
PM10: 17.45 μg/m3
Carbon Monoxide: 306.41 μg/m3
Nitrogen Dioxide: 32.74 μg/m3
Sulphur Dioxide: 4.14 μg/m3
Ozone: 34.52 μg/m3

Astronomical

Sunrise: 6:39 AM
Sun Transit: 11:48 AM
Sunset: 4:58 PM
Daylight: 10 hrs 19 mins
Moonrise: 6:38 PM
Moon Transit: 1:34 AM
Moonset: 9:34 AM
Moon Phase: Full
Moon Illumination: 93.4%

Best Times for Fishing or Hunting

Major Periods

1:04 AM - 3:34 AM
9:16 AM - 11:46 AM

Minor Periods

6:08 PM - 7:38 PM
9:04 AM - 10:34 AM

Action Rating: 3 out of 5

Saturday, November 8, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 57.3°F
Average Humidity: 71%
Chance of Rain: 0%
Wind: 5.4 mph
UV Index: 0

Air Quality

AQI: 2 - Moderate
PM2.5: 15.67 μg/m3
PM10: 17.33 μg/m3
Carbon Monoxide: 365.7 μg/m3
Nitrogen Dioxide: 38.7 μg/m3
Sulphur Dioxide: 3.55 μg/m3
Ozone: 22.46 μg/m3

Astronomical

Sunrise: 6:40 AM
Sun Transit: 11:48 AM
Sunset: 4:57 PM
Daylight: 10 hrs 17 mins
Moonrise: 7:45 PM
Moon Transit: 2:40 AM
Moonset: 10:43 AM
Moon Phase: Waning Gibbous
Moon Illumination: 86.7%

Best Times for Fishing or Hunting

Major Periods

2:10 AM - 4:40 AM
10:22 AM - 12:52 AM

Minor Periods

7:15 PM - 8:45 PM
10:13 AM - 11:43 AM

Action Rating: 2 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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