Water Temperature of the American River in Folsom, CA
Current Water Temperature
61.2°F
Measurement Time: Wednesday, July 23, 2025, 1:45 PM PDT
Temperature Locations
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Local Points of Interest
Folsom Dam; Folsom LakeSponsored Content
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

Conditions: Clear
Humidity: 50%
Feels Like: 76.6°F
Wind: SSW 5.4 mph
Wind Gusts: 9.7 mph
Humidity: 50%
Feels Like: 76.6°F
Wind: SSW 5.4 mph
Wind Gusts: 9.7 mph
Pressure: 29.99 in
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 0
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 0
Five Day Weather Forecast

Wed
H: 91°F
L: 57°F

Thu
H: 90°F
L: 57°F

Fri
H: 87°F
L: 56°F

Sat
H: 86°F
L: 57°F

Sun
H: 90°F
L: 56°F
Air Quality
AQI:
1 - Good
PM2.5:
12.4 μg/m3
PM10:
12.95 μg/m3
Carbon Monoxide: 244.2 μg/m3
Nitrogen Dioxide: 22.57 μg/m3
Sulphur Dioxide: 4.81 μg/m3
Ozone: 32 μg/m3
Nitrogen Dioxide: 22.57 μg/m3
Sulphur Dioxide: 4.81 μg/m3
Ozone: 32 μg/m3
Astronomical
Sunrise: 5:59 AM
Sun Transit: 1:11 PM
Sunset: 8:23 PM
Daylight: 14 hrs 25 mins
Sun Transit: 1:11 PM
Sunset: 8:23 PM
Daylight: 14 hrs 25 mins
Moonrise: 4:23 AM
Moon Transit: 12:19 AM
Moonset: 8:08 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.2%
Moon Transit: 12:19 AM
Moonset: 8:08 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.2%
Best Times for Fishing or Hunting
Major Periods
7:59 PM - 10:29 PM11:49 AM - 2:19 PM
Minor Periods
7:38 PM - 9:08 PM3:53 AM - 5:23 AM
Action Rating: 3 out of 5
Wednesday, July 23, 2025
Weather Forecast
Conditions: Sunny
Average Temperature: 71.5°F
Average Humidity: 59%
Average Temperature: 71.5°F
Average Humidity: 59%
Chance of Rain: 0%
Wind: 9.8 mph
UV Index: 2.5
Wind: 9.8 mph
UV Index: 2.5
Air Quality
AQI:
1 - Good
PM2.5:
14.22 μg/m3
PM10:
14.91 μg/m3
Carbon Monoxide: 240.87 μg/m3
Nitrogen Dioxide: 14.07 μg/m3
Sulphur Dioxide: 3.47 μg/m3
Ozone: 61.64 μg/m3
Nitrogen Dioxide: 14.07 μg/m3
Sulphur Dioxide: 3.47 μg/m3
Ozone: 61.64 μg/m3
Astronomical
Sunrise: 5:59 AM
Sun Transit: 1:11 PM
Sunset: 8:23 PM
Daylight: 14 hrs 25 mins
Sun Transit: 1:11 PM
Sunset: 8:23 PM
Daylight: 14 hrs 25 mins
Moonrise: 4:23 AM
Moon Transit: 12:19 AM
Moonset: 8:08 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.2%
Moon Transit: 12:19 AM
Moonset: 8:08 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.2%
Best Times for Fishing or Hunting
Major Periods
7:59 PM - 10:29 PM11:49 AM - 2:19 PM
Minor Periods
7:38 PM - 9:08 PM3:53 AM - 5:23 AM
Action Rating: 3 out of 5
Thursday, July 24, 2025
Weather Forecast
Conditions: Sunny
Average Temperature: 71.6°F
Average Humidity: 59%
Average Temperature: 71.6°F
Average Humidity: 59%
Chance of Rain: 0%
Wind: 11.6 mph
UV Index: 2.5
Wind: 11.6 mph
UV Index: 2.5
Air Quality
AQI:
1 - Good
PM2.5:
12.77 μg/m3
PM10:
13.61 μg/m3
Carbon Monoxide: 254.41 μg/m3
Nitrogen Dioxide: 13.37 μg/m3
Sulphur Dioxide: 4.15 μg/m3
Ozone: 69.4 μg/m3
Nitrogen Dioxide: 13.37 μg/m3
Sulphur Dioxide: 4.15 μg/m3
Ozone: 69.4 μg/m3
Astronomical
Sunrise: 6:00 AM
Sun Transit: 1:11 PM
Sunset: 8:23 PM
Daylight: 14 hrs 23 mins
Sun Transit: 1:11 PM
Sunset: 8:23 PM
Daylight: 14 hrs 23 mins
Moonrise: 5:35 AM
Moon Transit: 1:17 PM
Moonset: 8:48 PM
Moon Phase: New
Moon Illumination: 0.4%
Moon Transit: 1:17 PM
Moonset: 8:48 PM
Moon Phase: New
Moon Illumination: 0.4%
Best Times for Fishing or Hunting
Major Periods
8:55 PM - 11:25 PM12:47 AM - 3:17 PM
Minor Periods
8:18 PM - 9:48 PM5:05 AM - 6:35 AM
Action Rating: 4 out of 5
Friday, July 25, 2025
Weather Forecast
Conditions: Sunny
Average Temperature: 69°F
Average Humidity: 63%
Average Temperature: 69°F
Average Humidity: 63%
Chance of Rain: 0%
Wind: 10.3 mph
UV Index: 2.6
Wind: 10.3 mph
UV Index: 2.6
Air Quality
AQI:
1 - Good
PM2.5:
14.01 μg/m3
PM10:
14.95 μg/m3
Carbon Monoxide: 246.35 μg/m3
Nitrogen Dioxide: 13.21 μg/m3
Sulphur Dioxide: 3.64 μg/m3
Ozone: 76.32 μg/m3
Nitrogen Dioxide: 13.21 μg/m3
Sulphur Dioxide: 3.64 μg/m3
Ozone: 76.32 μg/m3
Astronomical
Sunrise: 6:00 AM
Sun Transit: 1:11 PM
Sunset: 8:22 PM
Daylight: 14 hrs 21 mins
Sun Transit: 1:11 PM
Sunset: 8:22 PM
Daylight: 14 hrs 21 mins
Moonrise: 6:49 AM
Moon Transit: 2:10 PM
Moonset: 9:20 PM
Moon Phase: New
Moon Illumination: 3.1%
Moon Transit: 2:10 PM
Moonset: 9:20 PM
Moon Phase: New
Moon Illumination: 3.1%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM1:40 PM - 4:10 PM
Minor Periods
8:50 PM - 10:20 PM6:19 AM - 7:49 AM
Action Rating: 5 out of 5
Saturday, July 26, 2025
Weather Forecast
Conditions: Partly Cloudy
Average Temperature: 67.7°F
Average Humidity: 65%
Average Temperature: 67.7°F
Average Humidity: 65%
Chance of Rain: 0%
Wind: 9.6 mph
UV Index: 2.6
Wind: 9.6 mph
UV Index: 2.6
Air Quality
AQI:
1 - Good
PM2.5:
13.88 μg/m3
PM10:
15.07 μg/m3
Carbon Monoxide: 259.81 μg/m3
Nitrogen Dioxide: 13.46 μg/m3
Sulphur Dioxide: 3.69 μg/m3
Ozone: 67.96 μg/m3
Nitrogen Dioxide: 13.46 μg/m3
Sulphur Dioxide: 3.69 μg/m3
Ozone: 67.96 μg/m3
Astronomical
Sunrise: 6:01 AM
Sun Transit: 1:11 PM
Sunset: 8:21 PM
Daylight: 14 hrs 20 mins
Sun Transit: 1:11 PM
Sunset: 8:21 PM
Daylight: 14 hrs 20 mins
Moonrise: 7:58 AM
Moon Transit: 2:58 PM
Moonset: 9:46 PM
Moon Phase: New
Moon Illumination: 0.7%
Moon Transit: 2:58 PM
Moonset: 9:46 PM
Moon Phase: New
Moon Illumination: 0.7%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM2:28 PM - 4:58 PM
Minor Periods
9:16 PM - 10:46 PM7:28 AM - 8:58 AM
Action Rating: 3 out of 5
Sunday, July 27, 2025
Weather Forecast
Conditions: Sunny
Average Temperature: 72.2°F
Average Humidity: 46%
Average Temperature: 72.2°F
Average Humidity: 46%
Chance of Rain: 0%
Wind: 8.3 mph
UV Index: 0
Wind: 8.3 mph
UV Index: 0
Air Quality
AQI:
1 - Good
PM2.5:
14.63 μg/m3
PM10:
15.82 μg/m3
Carbon Monoxide: 285.04 μg/m3
Nitrogen Dioxide: 19.14 μg/m3
Sulphur Dioxide: 4.47 μg/m3
Ozone: 60.54 μg/m3
Nitrogen Dioxide: 19.14 μg/m3
Sulphur Dioxide: 4.47 μg/m3
Ozone: 60.54 μg/m3
Astronomical
Sunrise: 6:02 AM
Sun Transit: 1:11 PM
Sunset: 8:20 PM
Daylight: 14 hrs 18 mins
Sun Transit: 1:11 PM
Sunset: 8:20 PM
Daylight: 14 hrs 18 mins
Moonrise: 9:04 AM
Moon Transit: 3:42 PM
Moonset: 10:10 PM
Moon Phase: New
Moon Illumination: 3.8%
Moon Transit: 3:42 PM
Moonset: 10:10 PM
Moon Phase: New
Moon Illumination: 3.8%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM3:12 PM - 5:42 PM
Minor Periods
9:40 PM - 11:10 PM8:34 AM - 10:04 AM
Action Rating: 3 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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