Water Temperature of Maxwell Creek in Saint Helena, CA

Current Water Temperature

57.6°F

Measurement Time: Wednesday, March 30, 2022, 6:00 AM PDT

Temperature Locations

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Local Points of Interest

Pope Valley, CA

Maxwell Creek

Station 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)
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)
Russian River, Hopland, CA (50.9 mi)

Weather for Saint Helena, California

Current Weather

84.9°F
Sunny
Sunny
81.5°F
84.2°F
25%
WSW 7.8 mph
9 mph
86.9°F
45.9°F
0 in
0%
9 mi
1011 mbar
8.8

Five Day Weather Forecast

Patchy rain nearby
Mon
H: 89°F
L: 56°F
Sunny
Tue
H: 88°F
L: 51°F
Sunny
Wed
H: 99°F
L: 60°F
Sunny
Thu
H: 100°F
L: 67°F
Sunny
Fri
H: 101°F
L: 62°F

Air Quality

AQI: 2 - Moderate
PM2.5: 3 μg/m3
PM10: 4.8 μg/m3
Carbon Monoxide: 102 μg/m3
Nitrogen Dioxide: 0.4 μg/m3
Sulphur Dioxide: 0.4 μg/m3
Ozone: 69 μg/m3

Astronomical

Sunrise: 5:45 AM
Sun Transit: 1:08 PM
Sunset: 8:33 PM
Daylight: 14 hrs 48 mins
Moonrise: 1:25 AM
Moon Transit: 7:22 AM
Moonset: 1:29 PM
Moon Phase: Last Quarter
Moon Illumination: 31.6%

Best Times for Fishing or Hunting

Major Periods

6:52 AM - 9:22 AM
12:00 AM - 12:00 AM

Minor Periods

12:59 AM - 2:29 PM
12:55 AM - 2:25 AM

Action Rating: 2 out of 5

Fire Weather Watch issued June 7 at 10:06AM PDT until June 11 at 5:00PM PDT by NWS Sacramento CA

Effective: Sun June 7, 2026, 10:06 AM
Expires: Mon June 8, 2026, 10:15 AM

The National Weather Service in Sacramento has issued a Fire Weather Watch for gusty winds and low humidity, which is in effect from Wednesday morning through Thursday afternoon. * Winds...North winds 15 to 25 mph. Gusts 30 to 40 mph, strongest along the far western Sacramento Valley. * Humidity...Daytime minimum humidities of 9 to 15%; Overnight maximum relative humidities 25 to 50% * Highest Threat...Along and west of the Interstate 5 corridor in the Sacramento Valley. * Impacts...The combination of gusty winds and low humidity can cause fire to rapidly grow in size and intensity. Outdoor burning is not recommended

A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings.


Red Flag Warning issued June 8 at 9:18AM PDT until June 11 at 5:00PM PDT by NWS Sacramento CA

Effective: Mon June 8, 2026, 9:18 AM
Expires: Tue June 9, 2026, 12:15 PM

The National Weather Service in Sacramento has issued a Red Flag Warning for gusty winds and low humidity, which is in effect from 11 AM Wednesday to 5 PM PDT Thursday. The Fire Weather Watch is no longer in effect. * Winds...North winds 15 to 25 mph. Gusts 30 to 40 mph, strongest along the far western Sacramento Valley. * Humidity...Daytime minimum humidities of 9 to 15%; Overnight maximum relative humidities 25 to 50% * Highest Threat...Along and west of the Interstate 5 corridor in the Sacramento Valley. * Impacts...The combination of gusty winds and low humidity can cause fire to rapidly grow in size and intensity. Outdoor burning is not recommended

A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior.
Monday, June 8, 2026

Weather Forecast

Patchy rain nearby
88.7°F
56.2°F
70.1°F
46%
0.04 in
73%
0%
14.1 mph
8.8


Air Quality

AQI: 1 - Good
PM2.5: 4.2 μg/m3
PM10: 6.27 μg/m3
Carbon Monoxide: 103.13 μg/m3
Nitrogen Dioxide: 2.75 μg/m3
Sulphur Dioxide: 0.53 μg/m3
Ozone: 55 μg/m3

Astronomical

Sunrise: 5:45 AM
Sun Transit: 1:08 PM
Sunset: 8:33 PM
Daylight: 14 hrs 48 mins
Moonrise: 1:25 AM
Moon Transit: 7:22 AM
Moonset: 1:29 PM
Moon Phase: Last Quarter
Moon Illumination: 31.6%

Best Times for Fishing or Hunting

Major Periods

6:52 AM - 9:22 AM
12:00 AM - 12:00 AM

Minor Periods

12:59 AM - 2:29 PM
12:55 AM - 2:25 AM

Action Rating: 2 out of 5

Tuesday, June 9, 2026

Weather Forecast

Sunny
88.2°F
51.2°F
68.9°F
59%
0 in
1%
0%
7.2 mph
9.8


Air Quality

AQI: 1 - Good
PM2.5: 2.89 μg/m3
PM10: 4.18 μg/m3
Carbon Monoxide: 98.46 μg/m3
Nitrogen Dioxide: 1.92 μg/m3
Sulphur Dioxide: 0.53 μg/m3
Ozone: 44.08 μg/m3

Astronomical

Sunrise: 5:44 AM
Sun Transit: 1:08 PM
Sunset: 8:33 PM
Daylight: 14 hrs 49 mins
Moonrise: 1:49 AM
Moon Transit: 3:27 AM
Moonset: 2:36 PM
Moon Phase: Last Quarter
Moon Illumination: 21.6%

Best Times for Fishing or Hunting

Major Periods

2:57 AM - 5:27 AM
2:57 AM - 5:27 AM

Minor Periods

2:06 PM - 3:36 PM
1:19 AM - 2:49 AM

Action Rating: 4 out of 5

Wednesday, June 10, 2026

Weather Forecast

Sunny
98.8°F
59.5°F
77.4°F
33%
0 in
0%
0%
7.4 mph
10


Air Quality

AQI: 1 - Good
PM2.5: 6.02 μg/m3
PM10: 9.18 μg/m3
Carbon Monoxide: 105.42 μg/m3
Nitrogen Dioxide: 7.72 μg/m3
Sulphur Dioxide: 0.54 μg/m3
Ozone: 71.79 μg/m3

Astronomical

Sunrise: 5:44 AM
Sun Transit: 1:08 PM
Sunset: 8:34 PM
Daylight: 14 hrs 49 mins
Moonrise: 2:14 AM
Moon Transit: 8:53 AM
Moonset: 3:46 PM
Moon Phase: Waning Crescent
Moon Illumination: 13.1%

Best Times for Fishing or Hunting

Major Periods

8:23 AM - 10:53 AM
4:20 PM - 6:50 PM

Minor Periods

3:16 PM - 4:46 PM
1:44 AM - 3:14 AM

Action Rating: 2 out of 5

Thursday, June 11, 2026

Weather Forecast

Sunny
100.1°F
66.6°F
81.8°F
18%
0 in
0%
0%
13.2 mph
10.1


Air Quality

AQI: 1 - Good
PM2.5: 7.57 μg/m3
PM10: 11.2 μg/m3
Carbon Monoxide: 122.21 μg/m3
Nitrogen Dioxide: 6.72 μg/m3
Sulphur Dioxide: 0.42 μg/m3
Ozone: 95.29 μg/m3

Astronomical

Sunrise: 5:44 AM
Sun Transit: 1:09 PM
Sunset: 8:34 PM
Daylight: 14 hrs 50 mins
Moonrise: 2:42 AM
Moon Transit: 9:44 AM
Moonset: 5:00 PM
Moon Phase: Waning Crescent
Moon Illumination: 6.5%

Best Times for Fishing or Hunting

Major Periods

5:13 PM - 7:43 PM
9:14 AM - 11:44 AM

Minor Periods

4:30 PM - 6:00 PM
2:12 AM - 3:42 AM

Action Rating: 2 out of 5

Friday, June 12, 2026

Weather Forecast

Sunny
101°F
61.5°F
80°F
28%
0 in
0%
0%
11.6 mph
0


Air Quality

AQI: 2 - Moderate
PM2.5: 15.82 μg/m3
PM10: 20.1 μg/m3
Carbon Monoxide: 227.17 μg/m3
Nitrogen Dioxide: 30.13 μg/m3
Sulphur Dioxide: 1 μg/m3
Ozone: 19.33 μg/m3

Astronomical

Sunrise: 5:44 AM
Sun Transit: 1:09 PM
Sunset: 8:35 PM
Daylight: 14 hrs 51 mins
Moonrise: 3:15 AM
Moon Transit: 10:40 AM
Moonset: 6:19 PM
Moon Phase: Waning Crescent
Moon Illumination: 2.0%

Best Times for Fishing or Hunting

Major Periods

6:11 PM - 8:41 PM
10:10 AM - 12:40 AM

Minor Periods

5:49 PM - 7:19 PM
2:45 AM - 4:15 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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