SAINT HELENA, CA 94574 Weather Forecast & Current Conditions

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SANTA ROSA, CA
Current Weather

3:53 AM PDT APR 29, 2025
Clear
Mist
45°F
Feels Like: 44°F
Dewpoint: 45°F
Rel. Hum.: 100%
Visibility: 1 miles
Wind: NNW at 3 mph
Pressure: 30.10 inches
Last 72 hours

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SAINT HELENA, CA 94574
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TODAY
Sunny. Patchy fog in the morning. Highs in the mid 60s to upper 70s. South winds 5 to 10 mph.
TONIGHT
Partly cloudy. Patchy fog after midnight. Lows in the 40s to mid 50s. Southwest winds 5 to 10 mph.
WEDNESDAY
Sunny. Patchy fog in the morning. Highs in the mid 60s to lower 80s. Southwest winds 5 to 10 mph.
WEDNESDAY NIGHT
Mostly clear except patchy fog after midnight. Lows in the 40s to mid 50s. Southwest winds 5 to 15 mph.
THURSDAY
Sunny. Patchy fog in the morning. Highs in the 60s to 70s. Southwest winds 5 to 10 mph.
THURSDAY NIGHT
Clear in the evening then becoming partly cloudy. Patchy fog. Lows in the mid 40s to lower 50s.
FRIDAY
Partly cloudy in the morning then becoming sunny. Highs in the lower 60s to mid 70s.
FRIDAY NIGHT
Mostly cloudy. A slight chance of rain. Lows near 50.
SATURDAY AND SATURDAY NIGHT
Partly cloudy. A slight chance of rain. Highs in the upper 50s to mid 60s. Lows in the mid 40s to lower 50s.
SUNDAY THROUGH MONDAY
Partly cloudy. Highs in the 60s to lower 70s. Lows in the mid 40s to lower 50s.

Visible Weather Satellite
SAINT HELENA, CA 94574
Infrared Weather Satellite
SAINT HELENA, CA 94574
NEXRAD Weather Radar
SAINT HELENA, CA 94574

SANTA ROSA, CA 3 hourly weather forecast

weather forecast created  7:00 PM CDT  4/28/2025
Tuesday
29 APR 2025
SAINT HELENA, CA 94574 weather forecast Day 1, 0 hours 11 PM 53° 53° Partly Cloudy 0%

0% Thunder
( 0% severe)
SE   3 90% 50°
Low 46° SAINT HELENA, CA 94574 weather forecast Day 1, 3 hours 2 AM 49° 49° Partly Cloudy   CALM 100% 49°
High 75° SAINT HELENA, CA 94574 weather forecast Day 1, 6 hours 5 AM 47° 46° Mostly Cloudy 1%

0% Thunder
( 0% severe)
  CALM 100% 47°

Partly Cloudy



SAINT HELENA, CA 94574 weather forecast Day 1, 9 hours 8 AM 50° 50° Partly Cloudy   CALM 96% 49°
SAINT HELENA, CA 94574 weather forecast Day 1, 12 hours 11 AM 64° 66° Partly Cloudy 3%

0% Thunder
( 0% severe)
S   2 70% 54°
SAINT HELENA, CA 94574 weather forecast Day 1, 15 hours 2 PM 73° 73° Partly Cloudy SSW   6 53% 55°
SAINT HELENA, CA 94574 weather forecast Day 1, 18 hours 5 PM 73° 73° Partly Cloudy 5%

0% Thunder
( 1% severe)
S   8 51% 54°
SAINT HELENA, CA 94574 weather forecast Day 1, 21 hours 8 PM 62° 62° Mostly Cloudy SSE   5 75% 54°
Wednesday
30 APR 2025
SAINT HELENA, CA 94574 weather forecast Day 2, 0 hours 11 PM 55° 55° Partly Cloudy 2%

0% Thunder
( 0% severe)
N   3 90% 52°
Low 48° SAINT HELENA, CA 94574 weather forecast Day 2, 3 hours 2 AM 52° 52° Partly Cloudy SSE   2 96% 51°
High 77° SAINT HELENA, CA 94574 weather forecast Day 2, 6 hours 5 AM 50° 50° Partly Cloudy 0%

0% Thunder
( 0% severe)
S   1 100% 50°

Partly Cloudy



SAINT HELENA, CA 94574 weather forecast Day 2, 9 hours 8 AM 53° 53° Partly Cloudy   CALM 96% 52°
SAINT HELENA, CA 94574 weather forecast Day 2, 12 hours 11 AM 67° 67° Clear 1%

0% Thunder
( 4% severe)
SSW   2 68% 56°
SAINT HELENA, CA 94574 weather forecast Day 2, 15 hours 2 PM 75° 75° Clear SW   7 54% 57°
SAINT HELENA, CA 94574 weather forecast Day 2, 18 hours 5 PM 75° 75° Clear 0%

0% Thunder
( 2% severe)
SW   8 50% 55°
SAINT HELENA, CA 94574 weather forecast Day 2, 21 hours 8 PM 63° 64° Clear SW   5 75% 55°

SANTA ROSA, CA extended weather forecast

Thursday
1 MAY 2025
Friday
2 MAY 2025
Saturday
3 MAY 2025
Sunday
4 MAY 2025
Monday
5 MAY 2025
Low 48° Low 45° Low 47° Low 41° Low 47°
High 70° High 68° High 68° High 71° High 73°
SAINT HELENA, CA 94574 weather forecast Day 3 SAINT HELENA, CA 94574 weather forecast Day 4 SAINT HELENA, CA 94574 weather forecast Day 5 SAINT HELENA, CA 94574 weather forecast Day 6 SAINT HELENA, CA 94574 weather forecast Day 7
Partly Cloudy
Overcast
1% Rain
Mostly Cloudy
41% Rain
Mostly Cloudy
35% Rain
Mostly Cloudy
17% Rain
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