SAINT HELENA, CA 94574 Weather Forecast & Current Conditions

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SANTA ROSA, CA
Current Weather

1:53 AM PDT JUN 20, 2025
Clear
52°F
Feels Like: 52°F
Dewpoint: 48°F
Rel. Hum.: 86%
Visibility: 10 miles
Wind: Calm
Pressure: 29.84 inches
Last 72 hours

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SAINT HELENA, CA 94574
Weather Forecast

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REST OF TONIGHT
Mostly clear late in the evening then becoming partly cloudy. Breezy. Lows in the mid 40s to lower 50s. West winds 20 to 30 mph with gusts to around 45 mph.
FRIDAY
Sunny, breezy. Highs in the 60s to 70s. Northwest winds 10 to 20 mph increasing to 20 to 30 mph in the afternoon.
FRIDAY NIGHT
Mostly clear. Breezy. Lows in the mid 40s to lower 50s. Northwest winds 20 to 30 mph with gusts to around 45 mph.
SATURDAY
Sunny. Highs in the mid 60s to lower 80s. Northwest winds 10 to 20 mph.
SATURDAY NIGHT
Mostly clear. Lows in the upper 40s to mid 50s. Northwest winds 10 to 20 mph.
SUNDAY
Sunny. Highs in the upper 60s to lower 80s.
SUNDAY NIGHT AND MONDAY
Mostly clear. Lows in the upper 40s to mid 50s. Highs in the upper 60s to mid 80s.
MONDAY NIGHT AND TUESDAY
Partly cloudy. Lows in the upper 40s to mid 50s. Highs in the upper 60s to lower 80s.
TUESDAY NIGHT
Mostly clear in the evening then becoming partly cloudy. Patchy fog. Lows in the upper 40s to mid 50s.
WEDNESDAY
Mostly cloudy in the morning then becoming sunny. Highs in the upper 60s to mid 80s.
WEDNESDAY NIGHT AND THURSDAY
Mostly clear. Lows in the upper 40s to mid 50s. Highs in the 70s to 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  6/19/2025
Friday
20 JUN 2025
SAINT HELENA, CA 94574 weather forecast Day 1, 0 hours 11 PM 57° 54° Partly Cloudy 0%

0% Thunder
( 0% severe)
W   13 69% 47°
Low 49° SAINT HELENA, CA 94574 weather forecast Day 1, 3 hours 2 AM 53° 50° Partly Cloudy W   9 77% 46°
High 75° SAINT HELENA, CA 94574 weather forecast Day 1, 6 hours 5 AM 50° 47° Partly Cloudy 0%

0% Thunder
( 0% severe)
W   8 83% 45°

Partly Cloudy



SAINT HELENA, CA 94574 weather forecast Day 1, 9 hours 8 AM 56° 53° Partly Cloudy NW   10 69% 46°
SAINT HELENA, CA 94574 weather forecast Day 1, 12 hours 11 AM 66° 66° Clear 1%

0% Thunder
( 0% severe)
NW   13 43% 43°
SAINT HELENA, CA 94574 weather forecast Day 1, 15 hours 2 PM 73° 73° Clear NW   16 35% 44°
SAINT HELENA, CA 94574 weather forecast Day 1, 18 hours 5 PM 72° 72° Clear 0%

0% Thunder
( 0% severe)
NW   18 38% 45°
SAINT HELENA, CA 94574 weather forecast Day 1, 21 hours 8 PM 63° 61° Clear NW   18 52% 45°
Saturday
21 JUN 2025
SAINT HELENA, CA 94574 weather forecast Day 2, 0 hours 11 PM 55° 51° Clear 0%

0% Thunder
( 0% severe)
NW   16 72% 46°
Low 47° SAINT HELENA, CA 94574 weather forecast Day 2, 3 hours 2 AM 51° 47° Partly Cloudy NW   10 80% 45°
High 80° SAINT HELENA, CA 94574 weather forecast Day 2, 6 hours 5 AM 48° 44° Partly Cloudy 0%

0% Thunder
( 0% severe)
NW   8 83% 43°

Partly Cloudy



SAINT HELENA, CA 94574 weather forecast Day 2, 9 hours 8 AM 55° 53° Partly Cloudy NW   8 69% 45°
SAINT HELENA, CA 94574 weather forecast Day 2, 12 hours 11 AM 68° 68° Clear 0%

0% Thunder
( 0% severe)
NW   8 39% 42°
SAINT HELENA, CA 94574 weather forecast Day 2, 15 hours 2 PM 77° 78° Clear WNW   12 30% 43°
SAINT HELENA, CA 94574 weather forecast Day 2, 18 hours 5 PM 78° 78° Clear 0%

0% Thunder
( 0% severe)
WNW   15 32% 46°
SAINT HELENA, CA 94574 weather forecast Day 2, 21 hours 8 PM 69° 69° Clear NW   15 45% 47°

SANTA ROSA, CA extended weather forecast

BAD DAY
BAD DATE
BAD DAY
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BAD DAY
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Low 48° Low 48° Low 47° Low 48° Low 49°
High 85° High 86° High 80° High 77° High 85°
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
Clear
10% Rain
Clear
1% Rain
Partly Cloudy
3% Rain
Partly Cloudy
3% Rain
Partly Cloudy
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