SAINT HELENA, CA 94574 Weather Forecast & Current Conditions

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SANTA ROSA, CA
Current Weather

1:53 AM PDT MAY 5, 2025
Clear
55°F
Feels Like: 53°F
Dewpoint: 39°F
Rel. Hum.: 55%
Visibility: 10 miles
Wind: N at 7 mph
Pressure: 29.80 inches
Last 72 hours

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SAINT HELENA, CA 94574
Weather Forecast

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Snow Depth pages
REST OF TONIGHT
Clear, breezy. Lows in the 50s to lower 60s. Northwest winds 10 to 20 mph increasing to north 20 to 30 mph after midnight. Gusts up to 50 mph.
MONDAY
Sunny, breezy. Highs in the 70s to mid 80s. North winds 20 to 30 mph. Gusts up to 45 mph in the morning.
MONDAY NIGHT
Mostly clear. Lows in the upper 40s to lower 60s. Northwest winds 10 to 20 mph...becoming 5 to 10 mph after midnight.
TUESDAY
Sunny. Highs in the upper 60s to lower 80s. South winds 5 to 15 mph.
TUESDAY NIGHT
Clear in the evening then becoming partly cloudy. Patchy fog after midnight. Lows in the mid 40s to lower 50s. Southwest winds 10 to 20 mph...becoming 5 to 10 mph after midnight.
WEDNESDAY
Partly cloudy in the morning then becoming sunny. Highs in the 60s to 70s.
WEDNESDAY NIGHT
Mostly clear in the evening then becoming partly cloudy. Lows in the mid 40s to lower 50s.
THURSDAY
Partly cloudy in the morning then becoming sunny. Highs in the upper 60s to lower 80s.
THURSDAY NIGHT THROUGH FRIDAY NIGHT
Mostly clear. Lows in the mid 40s to upper 50s. Highs in the lower 70s to mid 80s.
SATURDAY
Partly cloudy in the morning then becoming sunny. Highs in the lower 70s to mid 80s.
SATURDAY NIGHT
Mostly clear in the evening then becoming partly cloudy. Lows in the upper 40s to mid 50s.
SUNDAY
Partly cloudy. Highs in the upper 60s to lower 80s.

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  5/ 4/2025
Monday
5 MAY 2025
SAINT HELENA, CA 94574 weather forecast Day 1, 0 hours 11 PM 61° 59° Clear 0%

0% Thunder
( 0% severe)
NNW   12 46% 40°
Low 54° SAINT HELENA, CA 94574 weather forecast Day 1, 3 hours 2 AM 57° 55° Clear N   10 43% 35°
High 86° SAINT HELENA, CA 94574 weather forecast Day 1, 6 hours 5 AM 55° 52° Clear 0%

0% Thunder
( 0% severe)
N   9 41% 32°

Clear



SAINT HELENA, CA 94574 weather forecast Day 1, 9 hours 8 AM 59° 57° Clear N   9 46% 38°
SAINT HELENA, CA 94574 weather forecast Day 1, 12 hours 11 AM 75° 75° Clear 0%

0% Thunder
( 0% severe)
N   10 24% 36°
SAINT HELENA, CA 94574 weather forecast Day 1, 15 hours 2 PM 82° 80° Clear N   10 18% 34°
SAINT HELENA, CA 94574 weather forecast Day 1, 18 hours 5 PM 85° 82° Clear 0%

0% Thunder
( 0% severe)
N   9 18% 37°
SAINT HELENA, CA 94574 weather forecast Day 1, 21 hours 8 PM 72° 72° Partly Cloudy NW   7 37% 44°
Tuesday
6 MAY 2025
SAINT HELENA, CA 94574 weather forecast Day 2, 0 hours 11 PM 61° 61° Partly Cloudy 0%

0% Thunder
( 0% severe)
NNW   6 53% 44°
Low 52° SAINT HELENA, CA 94574 weather forecast Day 2, 3 hours 2 AM 57° 57° Clear N   5 53% 40°
High 77° SAINT HELENA, CA 94574 weather forecast Day 2, 6 hours 5 AM 54° 54° Clear 0%

0% Thunder
( 0% severe)
N   3 52% 37°

Clear



SAINT HELENA, CA 94574 weather forecast Day 2, 9 hours 8 AM 57° 58° Partly Cloudy NE   2 59% 43°
SAINT HELENA, CA 94574 weather forecast Day 2, 12 hours 11 AM 70° 70° Clear 0%

0% Thunder
( 0% severe)
SSW   5 44% 47°
SAINT HELENA, CA 94574 weather forecast Day 2, 15 hours 2 PM 74° 74° Clear SW   8 41% 49°
SAINT HELENA, CA 94574 weather forecast Day 2, 18 hours 5 PM 72° 72° Clear 0%

0% Thunder
( 0% severe)
SW   9 43% 48°
SAINT HELENA, CA 94574 weather forecast Day 2, 21 hours 8 PM 59° 58° Clear SW   6 72% 50°

SANTA ROSA, CA extended weather forecast

Wednesday
7 MAY 2025
Thursday
8 MAY 2025
Friday
9 MAY 2025
Saturday
10 MAY 2025
Sunday
11 MAY 2025
Low 46° Low 46° Low 43° Low 43° Low 45°
High 73° High 80° High 82° High 78° 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
1% Rain
Partly Cloudy
2% Rain
Clear
2% Rain
Clear
3% Rain
Partly Cloudy
18% Rain
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