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

43.3°F
Mist
Mist
41.5°F
48.1°F
100%
N 3.6 mph
7.5 mph
44.9°F
23.3°F
0 in
0%
1 mi
1021 mbar
0.2

Five Day Weather Forecast

Sunny
Sat
H: 61°F
L: 46°F
Sunny
Sun
H: 67°F
L: 44°F
Sunny
Mon
H: 65°F
L: 44°F
Overcast
Tue
H: 61°F
L: 43°F
Overcast
Wed
H: 60°F
L: 48°F

Air Quality

PM2.5: 5.15 μg/m3
PM10: 5.35 μg/m3
Carbon Monoxide: 136.85 μg/m3
Nitrogen Dioxide: 3.15 μg/m3
Sulphur Dioxide: 1.85 μg/m3
Ozone: 71 μg/m3

Astronomical

Sunrise: 7:25 AM
Sun Transit: 12:19 AM
Sunset: 5:14 PM
Daylight: 9 hrs 50 mins
Moonrise: 7:00 AM
Moon Transit: 11:32 AM
Moonset: 4:09 PM
Moon Phase: New
Moon Illumination: 0.2%

Best Times for Fishing or Hunting

Major Periods

7:00 PM - 9:30 PM
11:02 AM - 1:32 PM

Minor Periods

3:39 PM - 5:09 PM
6:30 AM - 8:00 AM

Action Rating: 4 out of 5

Dense Fog Advisory issued January 17 at 1:34AM PST until January 17 at 10:00AM PST by NWS Sacramento CA

Effective: Sat January 17, 2026, 1:34 AM
Expires: Sat January 17, 2026, 10:00 AM

* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Northern San Joaquin Valley, Southern Sacramento Valley and the Delta. Densest fog is expected near the Sacramento and San Joaquin rivers and the Delta. * WHEN...Until 10 AM PST this morning. * IMPACTS...Low visibility could make driving conditions hazardous.

If driving, slow down, use your headlights, and leave plenty of distance ahead of you.
Saturday, January 17, 2026

Weather Forecast

Sunny
61.2°F
46.2°F
51.5°F
49%
0 in
0%
0%
4 mph
0.5


Air Quality

AQI: 1 - Good
PM2.5: 7.91 μg/m3
PM10: 8.15 μg/m3
Carbon Monoxide: 135.8 μg/m3
Nitrogen Dioxide: 19.32 μg/m3
Sulphur Dioxide: 2.49 μg/m3
Ozone: 33.56 μg/m3

Astronomical

Sunrise: 7:25 AM
Sun Transit: 12:19 AM
Sunset: 5:14 PM
Daylight: 9 hrs 50 mins
Moonrise: 7:00 AM
Moon Transit: 11:32 AM
Moonset: 4:09 PM
Moon Phase: New
Moon Illumination: 0.2%

Best Times for Fishing or Hunting

Major Periods

7:00 PM - 9:30 PM
11:02 AM - 1:32 PM

Minor Periods

3:39 PM - 5:09 PM
6:30 AM - 8:00 AM

Action Rating: 4 out of 5

Sunday, January 18, 2026

Weather Forecast

Sunny
66.5°F
44.2°F
52.1°F
58%
0 in
0%
0%
4 mph
0.5


Air Quality

AQI: 1 - Good
PM2.5: 13.76 μg/m3
PM10: 13.92 μg/m3
Carbon Monoxide: 292.68 μg/m3
Nitrogen Dioxide: 29.66 μg/m3
Sulphur Dioxide: 3.27 μg/m3
Ozone: 29.23 μg/m3

Astronomical

Sunrise: 7:24 AM
Sun Transit: 12:19 AM
Sunset: 5:16 PM
Daylight: 9 hrs 51 mins
Moonrise: 7:40 AM
Moon Transit: 12:24 AM
Moonset: 5:14 PM
Moon Phase: New
Moon Illumination: 2.5%

Best Times for Fishing or Hunting

Major Periods

7:51 PM - 10:21 PM
11:54 AM - 2:24 PM

Minor Periods

4:44 PM - 6:14 PM
7:10 AM - 8:40 AM

Action Rating: 4 out of 5

Monday, January 19, 2026

Weather Forecast

Sunny
65.1°F
43.6°F
49.7°F
63%
0 in
0%
0%
4 mph
0


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:24 AM
Sun Transit: 12:20 AM
Sunset: 5:17 PM
Daylight: 9 hrs 53 mins
Moonrise: 8:13 AM
Moon Transit: 1:13 PM
Moonset: 6:21 PM
Moon Phase: New
Moon Illumination: 0.4%

Best Times for Fishing or Hunting

Major Periods

8:39 PM - 11:09 PM
12:43 AM - 3:13 PM

Minor Periods

5:51 PM - 7:21 PM
7:43 AM - 9:13 AM

Action Rating: 4 out of 5

Tuesday, January 20, 2026

Weather Forecast

Overcast
61.2°F
42.7°F
50°F
68%
0 in
0%
0%
3.6 mph
2


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:23 AM
Sun Transit: 12:20 AM
Sunset: 5:18 PM
Daylight: 9 hrs 55 mins
Moonrise: 8:42 AM
Moon Transit: 2:00 PM
Moonset: 7:26 PM
Moon Phase: New
Moon Illumination: 3.1%

Best Times for Fishing or Hunting

Major Periods

9:25 PM - 11:55 PM
1:30 PM - 4:00 PM

Minor Periods

6:56 PM - 8:26 PM
8:12 AM - 9:42 AM

Action Rating: 3 out of 5

Wednesday, January 21, 2026

Weather Forecast

Overcast
59.5°F
47.5°F
52.5°F
72%
0 in
0%
0%
2.7 mph
3


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:23 AM
Sun Transit: 12:20 AM
Sunset: 5:19 PM
Daylight: 9 hrs 56 mins
Moonrise: 9:07 AM
Moon Transit: 2:45 PM
Moonset: 8:33 PM
Moon Phase: Waxing Crescent
Moon Illumination: 8.1%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:15 PM - 4:45 PM

Minor Periods

8:03 PM - 9:33 PM
8:37 AM - 10:07 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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