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

82.9°F
Sunny
Sunny
80.2°F
91.6°F
36%
SSW 4.9 mph
5.7 mph
93.6°F
52.3°F
0 in
0%
9 mi
1010 mbar
8.1

Five Day Weather Forecast

Sunny
Wed
H: 94°F
L: 58°F
Sunny
Thu
H: 88°F
L: 48°F
Sunny
Fri
H: 91°F
L: 49°F
Sunny
Sat
H: 94°F
L: 51°F
Sunny
Sun
H: 93°F
L: 50°F

Air Quality

AQI: 1 - Good
PM2.5: 12.6 μg/m3
PM10: 17.5 μg/m3
Carbon Monoxide: 101 μg/m3
Nitrogen Dioxide: 1.3 μg/m3
Sulphur Dioxide: 1.8 μg/m3
Ozone: 97 μg/m3

Astronomical

Sunrise: 5:49 AM
Sun Transit: 1:13 PM
Sunset: 8:38 PM
Daylight: 14 hrs 49 mins
Moonrise: 10:13 PM
Moon Transit: 2:21 AM
Moonset: 7:08 AM
Moon Phase: Full
Moon Illumination: 94.7%

Best Times for Fishing or Hunting

Major Periods

1:51 AM - 4:21 AM
9:47 AM - 12:17 AM

Minor Periods

9:43 PM - 11:13 PM
6:38 AM - 8:08 AM

Action Rating: 3 out of 5

Small Craft Advisory issued July 1 at 2:09AM PDT until July 2 at 3:00AM PDT by NWS San Francisco CA

Effective: Wed July 1, 2026, 2:09 AM
Expires: Wed July 1, 2026, 10:15 AM

* WHAT...Northwest winds 15 to 25 kt with gusts up to 30 kt and seas 8 to 10 ft. * WHERE...Coastal Waters from Point Arena to Point Reyes California out to 10 NM. * WHEN...Until 3 AM PDT Thursday. * IMPACTS...Conditions will be hazardous to small craft.

Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.


Small Craft Advisory issued July 1 at 8:57AM PDT until July 2 at 3:00AM PDT by NWS San Francisco CA

Effective: Wed July 1, 2026, 8:57 AM
Expires: Wed July 1, 2026, 5:00 PM

* WHAT...Northwest winds 10 to 20 kt with gusts up to 30 kt and seas 8 to 10 ft. * WHERE...Coastal Waters from Point Arena to Point Reyes California out to 10 NM. * WHEN...Until 3 AM PDT Thursday. * IMPACTS...Conditions will be hazardous to small craft.

Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.
Wednesday, July 1, 2026

Weather Forecast

Sunny
93.6°F
57.9°F
75.3°F
41%
0 in
1%
0%
8.3 mph
8.3


Air Quality

AQI: 1 - Good
PM2.5: 10.74 μg/m3
PM10: 14.61 μg/m3
Carbon Monoxide: 102.25 μg/m3
Nitrogen Dioxide: 6.63 μg/m3
Sulphur Dioxide: 1.14 μg/m3
Ozone: 55.71 μg/m3

Astronomical

Sunrise: 5:49 AM
Sun Transit: 1:13 PM
Sunset: 8:38 PM
Daylight: 14 hrs 49 mins
Moonrise: 10:13 PM
Moon Transit: 2:21 AM
Moonset: 7:08 AM
Moon Phase: Full
Moon Illumination: 94.7%

Best Times for Fishing or Hunting

Major Periods

1:51 AM - 4:21 AM
9:47 AM - 12:17 AM

Minor Periods

9:43 PM - 11:13 PM
6:38 AM - 8:08 AM

Action Rating: 3 out of 5

Thursday, July 2, 2026

Weather Forecast

Sunny
88.4°F
48.1°F
69°F
49%
0 in
3%
0%
11 mph
9.3


Air Quality

AQI: 1 - Good
PM2.5: 10.9 μg/m3
PM10: 15.48 μg/m3
Carbon Monoxide: 94.63 μg/m3
Nitrogen Dioxide: 3.92 μg/m3
Sulphur Dioxide: 1.1 μg/m3
Ozone: 55.96 μg/m3

Astronomical

Sunrise: 5:49 AM
Sun Transit: 1:13 PM
Sunset: 8:38 PM
Daylight: 14 hrs 49 mins
Moonrise: 10:41 PM
Moon Transit: 3:08 AM
Moonset: 8:12 AM
Moon Phase: Waning Gibbous
Moon Illumination: 88.5%

Best Times for Fishing or Hunting

Major Periods

2:38 AM - 5:08 AM
10:34 AM - 1:04 PM

Minor Periods

10:11 PM - 11:41 PM
7:42 AM - 9:12 AM

Action Rating: 2 out of 5

Friday, July 3, 2026

Weather Forecast

Sunny
90.6°F
48.8°F
69.4°F
51%
0 in
2%
0%
8.7 mph
9.3


Air Quality

AQI: 1 - Good
PM2.5: 10.27 μg/m3
PM10: 14.08 μg/m3
Carbon Monoxide: 96.08 μg/m3
Nitrogen Dioxide: 4.79 μg/m3
Sulphur Dioxide: 1.1 μg/m3
Ozone: 50.21 μg/m3

Astronomical

Sunrise: 5:50 AM
Sun Transit: 1:13 PM
Sunset: 8:38 PM
Daylight: 14 hrs 48 mins
Moonrise: 11:06 PM
Moon Transit: 3:53 AM
Moonset: 9:14 AM
Moon Phase: Waning Gibbous
Moon Illumination: 80.3%

Best Times for Fishing or Hunting

Major Periods

3:23 AM - 5:53 AM
11:19 AM - 1:49 PM

Minor Periods

12:00 AM - 12:00 AM
8:44 AM - 10:14 AM

Action Rating: 3 out of 5

Saturday, July 4, 2026

Weather Forecast

Sunny
94°F
51.1°F
71.4°F
50%
0 in
1%
0%
10.3 mph
10.4


Air Quality

AQI: 1 - Good
PM2.5: 9.23 μg/m3
PM10: 12.41 μg/m3
Carbon Monoxide: 101.78 μg/m3
Nitrogen Dioxide: 6.05 μg/m3
Sulphur Dioxide: 0.83 μg/m3
Ozone: 40.75 μg/m3

Astronomical

Sunrise: 5:50 AM
Sun Transit: 1:13 PM
Sunset: 8:38 PM
Daylight: 14 hrs 47 mins
Moonrise: 12:06 AM
Moon Transit: 4:37 AM
Moonset: 10:18 AM
Moon Phase: Waning Gibbous
Moon Illumination: 70.6%

Best Times for Fishing or Hunting

Major Periods

4:07 AM - 6:37 AM
12:02 AM - 2:32 PM

Minor Periods

9:48 AM - 11:18 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Sunday, July 5, 2026

Weather Forecast

Sunny
92.9°F
49.8°F
70.2°F
50%
0 in
2%
0%
9.8 mph
8


Air Quality

AQI: 1 - Good
PM2.5: 9.58 μg/m3
PM10: 13.05 μg/m3
Carbon Monoxide: 92.83 μg/m3
Nitrogen Dioxide: 6.15 μg/m3
Sulphur Dioxide: 0.18 μg/m3
Ozone: 26.33 μg/m3

Astronomical

Sunrise: 5:51 AM
Sun Transit: 1:14 PM
Sunset: 8:37 PM
Daylight: 14 hrs 47 mins
Moonrise: 12:29 AM
Moon Transit: 5:20 AM
Moonset: 11:20 AM
Moon Phase: Waning Gibbous
Moon Illumination: 59.8%

Best Times for Fishing or Hunting

Major Periods

4:50 AM - 7:20 AM
12:00 AM - 12:00 AM

Minor Periods

10:50 AM - 12:20 AM
12:00 AM - 12:00 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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