Water Temperature of Maxwell Creek in Saint Helena, CA
Current Water Temperature
Measurement Time: Wednesday, March 30, 2022, 6:00 AM PDT
Temperature Locations
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Local Points of Interest
Pope Valley, CAStation Name: MAXWELL C NR POPE VALLEY CA
Data Source: Water Data - usgc.gov
Elevation Above Sea Level: 551 feet
Nearest Address:
2458 Dollarhide Rd
Saint Helena, CA 94574
Napa County
GPS Coordinates: 38.61460278, -122.3459917
Nearby Water Temperatures
Pope Creek, Saint Helena, CA (2.5 mi)Russian River, Jimtown, CA (26.3 mi)
Russian River, Healdsburg, CA (27.5 mi)
Mark West Creek, Forestville, CA (28.6 mi)
Cache Creek, Yolo, CA (30.1 mi)
Dry Creek, Healdsburg, CA (31.5 mi)
Russian River, Forestville, CA (32.3 mi)
Carquinez Strait, Crockett, CA (38.8 mi)
Sacramento River, Meridian, CA (39.2 mi)
Carquinez Strait, Martinez, CA (41.8 mi)
Suisun Bay, Concord, CA (42 mi)
Russian River, Hopland, CA (42.3 mi)
Sacramento River Deep Water Ship Chennel, Rio Vista, CA (44.7 mi)
San Francisco Bay, San Rafael, CA (47.2 mi)
San Francisco Bay, Richmond, CA (47.5 mi)
Weather for Saint Helena, California
Current Weather

Humidity: 32%
Feels Like: 67.5°F
Wind: W 2.9 mph
Wind Gusts: 9.6 mph
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 6 mi
UV Index: 0
Weather Forecast

Wed
H: 97°F
L: 66°F

Thu
H: 98°F
L: 66°F

Fri
H: 93°F
L: 56°F

Sat
H: 73°F
L: 50°F

Sun
H: 73°F
L: 45°F
Air Quality
Nitrogen Dioxide: 16.1 μg/m3
Sulphur Dioxide: 0.6 μg/m3
Ozone: 60 μg/m3
Astronomical
Sun Transit: 12:57 AM
Sunset: 6:43 PM
Daylight: 11 hrs 32 mins
Moon Transit: 10:42 AM
Moonset: 5:13 PM
Moon Phase: Waning Crescent
Moon Illumination: 7.2%
Best Times for Fishing or Hunting
Major Periods
6:08 PM - 8:38 PM10:12 AM - 12:42 AM
Minor Periods
4:43 PM - 6:13 PM3:30 AM - 5:00 AM
Action Rating: 3 out of 5
Heat Advisory issued October 6 at 9:02PM PDT until October 8 at 10:00PM PDT by NWS San Francisco CA
Effective: Tue October 6, 2026, 9:02 PM
Expires: Wed October 7, 2026, 10:00 PM
* WHAT...Hot conditions with maximum temperatures in the mid-90s to near 105. Mild minimum temperatures and weak onshore flow will limit overnight relief. * WHERE...The East Bay and San Francisco Bay Shoreline, North Bay Interior Mountains and Valleys, The Santa Clara Valley and Eastern Hills, The Santa Cruz Mountains, Interior Monterey County and the Santa Lucia Range, Most of San Benito County and the Cholame Hills in Southeast Monterey County, and Southern Salinas Valley/Arroyo Seco and Lake San Antonio. * WHEN...Until 10 PM PDT Thursday. * IMPACTS...For the Heat Advisory, this level of heat affects anyone without effective cooling and/or adequate hydration. Impacts likely in some health systems, heat-sensitive industries and infrastructure.
Hydration is a critical piece to surviving the heat. Drink water, and if possible, take water to those who are vulnerable. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to the early morning or evening. Take action when you experience symptoms of heat exhaustion and/or heat stroke. Beat the heat and check the backseat! Do not leave young children or pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.
Heat Advisory issued October 7 at 8:42AM PDT until October 8 at 10:00PM PDT by NWS San Francisco CA
Effective: Wed October 7, 2026, 8:42 AM
Expires: Thu October 8, 2026, 2:00 AM
* WHAT...Hot conditions with maximum temperatures in the mid-90s to near 105. Mild minimum temperatures and weak onshore flow will limit overnight relief. * WHERE...The East Bay and San Francisco Bay Shoreline, North Bay Interior Mountains and Valleys, The Santa Clara Valley and Eastern Hills, The Santa Cruz Mountains, Interior Monterey County and the Santa Lucia Range, Most of San Benito County and the Cholame Hills in Southeast Monterey County, and Southern Salinas Valley/Arroyo Seco and Lake San Antonio. * WHEN...Until 10 PM PDT Thursday. * IMPACTS...This level of heat affects anyone without effective cooling and/or adequate hydration. Impacts likely in some health systems, heat-sensitive industries and infrastructure.
Hydration is a critical piece to surviving the heat. Drink water, and if possible, take water to those who are vulnerable. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to the early morning or evening. Take action when you experience symptoms of heat exhaustion and/or heat stroke. Beat the heat and check the backseat! Do not leave young children or pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.
Heat Advisory issued October 7 at 6:58AM PDT until October 8 at 10:00PM PDT by NWS San Francisco CA
Effective: Wed October 7, 2026, 6:58 AM
Expires: Wed October 7, 2026, 3:00 PM
* WHAT...Temperatures up to 98. * WHERE...The East Bay and San Francisco Bay Shoreline, North Bay Interior Mountains and Valleys, The Santa Clara Valley and Eastern Hills, The Santa Cruz Mountains, Interior Monterey County and the Santa Lucia Range, Most of San Benito County and the Cholame Hills in Southeast Monterey County, and Southern Salinas Valley/Arroyo Seco and Lake San Antonio. * WHEN...Until 10 PM PDT Thursday. * IMPACTS...This level of heat affects anyone without effective cooling and/or adequate hydration. Impacts likely in some health systems, heat-sensitive industries and infrastructure.
Hydration is a critical piece to surviving the heat. Drink water, and if possible, take water to those who are vulnerable. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to the early morning or evening. Take action when you experience symptoms of heat exhaustion and/or heat stroke.
Weather Forecast
Average Temperature: 77.7°F
Average Humidity: 30%
Wind: 8.7 mph
UV Index: 5.7
Air Quality
Nitrogen Dioxide: 11.45 μg/m3
Sulphur Dioxide: 0.47 μg/m3
Ozone: 71.83 μg/m3
Astronomical
Sun Transit: 12:57 AM
Sunset: 6:43 PM
Daylight: 11 hrs 32 mins
Moon Transit: 10:42 AM
Moonset: 5:13 PM
Moon Phase: Waning Crescent
Moon Illumination: 7.2%
Best Times for Fishing or Hunting
Major Periods
6:08 PM - 8:38 PM10:12 AM - 12:42 AM
Minor Periods
4:43 PM - 6:13 PM3:30 AM - 5:00 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 78.4°F
Average Humidity: 28%
Wind: 4.9 mph
UV Index: 5.8
Air Quality
Nitrogen Dioxide: 14 μg/m3
Sulphur Dioxide: 0.58 μg/m3
Ozone: 73.46 μg/m3
Astronomical
Sun Transit: 12:56 AM
Sunset: 6:41 PM
Daylight: 11 hrs 30 mins
Moon Transit: 11:28 AM
Moonset: 5:37 PM
Moon Phase: Waning Crescent
Moon Illumination: 2.5%
Best Times for Fishing or Hunting
Major Periods
6:54 PM - 9:24 PM10:58 AM - 1:28 PM
Minor Periods
5:07 PM - 6:37 PM4:38 AM - 6:08 AM
Action Rating: 4 out of 5
Weather Forecast
Average Temperature: 73.8°F
Average Humidity: 40%
Wind: 8.7 mph
UV Index: 5.2
Air Quality
Nitrogen Dioxide: 10.58 μg/m3
Sulphur Dioxide: 0.65 μg/m3
Ozone: 64.21 μg/m3
Astronomical
Sun Transit: 12:56 AM
Sunset: 6:40 PM
Daylight: 11 hrs 27 mins
Moon Transit: 12:13 AM
Moonset: 6:01 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.2%
Best Times for Fishing or Hunting
Major Periods
7:38 PM - 10:08 PM11:43 AM - 2:13 PM
Minor Periods
5:31 PM - 7:01 PM5:45 AM - 7:15 AM
Action Rating: 4 out of 5
Weather Forecast
Average Temperature: 58.6°F
Average Humidity: 67%
Wind: 10.3 mph
UV Index: 5.1
Air Quality
Nitrogen Dioxide: 5.73 μg/m3
Sulphur Dioxide: 0.72 μg/m3
Ozone: 61.25 μg/m3
Astronomical
Sun Transit: 12:56 AM
Sunset: 6:38 PM
Daylight: 11 hrs 25 mins
Moon Transit: 12:57 AM
Moonset: 6:26 PM
Moon Phase: New
Moon Illumination: 0.5%
Best Times for Fishing or Hunting
Major Periods
8:23 PM - 10:53 PM12:27 AM - 2:57 PM
Minor Periods
5:56 PM - 7:26 PM6:51 AM - 8:21 AM
Action Rating: 4 out of 5
Weather Forecast
Average Temperature: 56.4°F
Average Humidity: 57%
Wind: 10.3 mph
UV Index: 4.5
Air Quality
Nitrogen Dioxide: 10.21 μg/m3
Sulphur Dioxide: 0.81 μg/m3
Ozone: 54.17 μg/m3
Astronomical
Sun Transit: 12:56 AM
Sunset: 6:37 PM
Daylight: 11 hrs 22 mins
Moon Transit: 1:43 PM
Moonset: 6:53 PM
Moon Phase: New
Moon Illumination: 3.3%
Best Times for Fishing or Hunting
Major Periods
9:09 PM - 11:39 PM1:13 PM - 3:43 PM
Minor Periods
6:23 PM - 7:53 PM7:56 AM - 9:26 AM
Action Rating: 4 out of 5
