10-Day Weather Forecast for St. Helena, California 94574 - The Weather Channel | weather.com
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10 Day Weather-

As of 4:35 pm PDT

Tonight

Mostly Clear Night Mostly Clear
--/47°
Rain drop 3%
Subtract

Night

47°
Mostly Clear Night
Rain drop
3%
WNW 7 mph

Clear to partly cloudy. Low 47F. Winds WNW at 5 to 10 mph.

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  • Humidity
    Humidity60%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise3:46 am
  • Moonset
    Moonset12:43 pm
  • Moon Phase - Day 23 Waning Crescent

Fri 13

Partly Cloudy Day Partly Cloudy
79°/47°
Rain drop 3%
Add

Day

79°
Partly Cloudy Day
Rain drop
3%
WNW 6 mph

Intervals of clouds and sunshine. High 79F. Winds light and variable.

  • Humidity
    Humidity49%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise7:23 am
  • Sunset
    Sunset7:15 pm

Night

47°
Partly Cloudy Night
Rain drop
3%
WNW 5 mph

A few clouds from time to time. Low 47F. Winds light and variable.

  • Humidity
    Humidity69%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise4:32 am
  • Moonset
    Moonset1:44 pm
  • Moon Phase - Day 24 Waning Crescent

Sat 14

Sunny Sunny
80°/51°
Rain drop 3%
Add

Day

80°
Sunny
Rain drop
3%
NW 5 mph

Mainly sunny. High near 80F. Winds light and variable.

  • Humidity
    Humidity50%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise7:22 am
  • Sunset
    Sunset7:16 pm

Night

51°
Mostly Clear Night
Rain drop
5%
NNW 4 mph

Generally fair. Low 51F. Winds light and variable.

  • Humidity
    Humidity74%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise5:10 am
  • Moonset
    Moonset2:49 pm
  • Moon Phase - Day 25 Waning Crescent

Sun 15

Partly Cloudy Day Partly Cloudy
87°/55°
Rain drop 2%
Add

Day

87°
Partly Cloudy Day
Rain drop
2%
NNW 5 mph

Partly cloudy. Near record high temperatures. High 87F. Winds light and variable.

  • Humidity
    Humidity38%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise7:20 am
  • Sunset
    Sunset7:16 pm

Night

55°
Partly Cloudy Night
Rain drop
2%
NNW 3 mph

Mostly cloudy skies early will become partly cloudy late. Low near 55F. Winds light and variable.

  • Humidity
    Humidity62%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise5:42 am
  • Moonset
    Moonset3:55 pm
  • Moon Phase - Day 26 Waning Crescent

Mon 16

Partly Cloudy Day Partly Cloudy
93°/55°
Rain drop 2%
Add

Day

93°
Partly Cloudy Day
Rain drop
2%
N 4 mph

Partly cloudy skies. High 93F. Winds light and variable.

  • Humidity
    Humidity37%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise7:19 am
  • Sunset
    Sunset7:17 pm

Night

55°
Clear Night
Rain drop
2%
N 3 mph

Clear skies. Low near 55F. Winds light and variable.

  • Humidity
    Humidity65%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise6:11 am
  • Moonset
    Moonset5:03 pm
  • Moon Phase - Day 27 Waning Crescent

Tue 17

Mostly Clear Day Mostly Sunny
92°/55°
Rain drop 2%
Add

Day

92°
Mostly Clear Day
Rain drop
2%
NE 5 mph

Plentiful sunshine. Near record high temperatures. High 92F. Winds light and variable.

  • Humidity
    Humidity42%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise7:17 am
  • Sunset
    Sunset7:18 pm

Night

55°
Clear Night
Rain drop
4%
N 3 mph

Clear. Low near 55F. Winds light and variable.

  • Humidity
    Humidity68%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise6:37 am
  • Moonset
    Moonset6:11 pm
  • Moon Phase - Day 28 Waning Crescent

Wed 18

Sunny Sunny
91°/57°
Rain drop 2%
Add

Day

91°
Sunny
Rain drop
2%
N 5 mph

A mainly sunny sky. High 91F. Winds light and variable.

  • Humidity
    Humidity42%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise7:15 am
  • Sunset
    Sunset7:19 pm

Night

57°
Clear Night
Rain drop
3%
NW 3 mph

Clear. Low 57F. Winds light and variable.

  • Humidity
    Humidity64%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise7:01 am
  • Moonset
    Moonset7:20 pm
  • Moon Phase - Day 0 New Moon

Thu 19

Mostly Clear Day Mostly Sunny
93°/59°
Rain drop 2%
Add

Day

93°
Mostly Clear Day
Rain drop
2%
NNE 5 mph

Mostly sunny skies. High 93F. Winds light and variable.

  • Humidity
    Humidity40%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise7:14 am
  • Sunset
    Sunset7:20 pm

Night

59°
Mostly Clear Night
Rain drop
4%
NNW 3 mph

Mostly clear skies. Low 59F. Winds light and variable.

  • Humidity
    Humidity65%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise7:26 am
  • Moonset
    Moonset8:31 pm
  • Moon Phase - Day 1 Waxing Crescent

Fri 20

Partly Cloudy Day Partly Cloudy
92°/58°
Rain drop 2%
Add

Day

92°
Partly Cloudy Day
Rain drop
2%
NW 6 mph

Intervals of clouds and sunshine. High 92F. Winds light and variable.

  • Humidity
    Humidity41%
  • UV index
    UV Index6 of 11
  • Sunrise
    Sunrise7:12 am
  • Sunset
    Sunset7:21 pm

Night

58°
Partly Cloudy Night
Rain drop
4%
NW 4 mph

A few clouds. Low 58F. Winds light and variable.

  • Humidity
    Humidity62%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise7:52 am
  • Moonset
    Moonset9:44 pm
  • Moon Phase - Day 2 Waxing Crescent

Sat 21

Partly Cloudy Day Partly Cloudy
87°/55°
Rain drop 2%
Add

Day

87°
Partly Cloudy Day
Rain drop
2%
W 6 mph

Partly cloudy skies. High 87F. Winds W at 5 to 10 mph.

  • Humidity
    Humidity46%
  • UV index
    UV Index6 of 11
  • Sunrise
    Sunrise7:11 am
  • Sunset
    Sunset7:22 pm

Night

55°
Partly Cloudy Night
Rain drop
4%
W 5 mph

Mostly cloudy skies early will become partly cloudy late. Low near 55F. Winds light and variable.

  • Humidity
    Humidity68%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise8:22 am
  • Moonset
    Moonset11:00 pm
  • Moon Phase - Day 3 Waxing Crescent

Sun 22

Partly Cloudy Day Partly Cloudy
77°/51°
Rain drop 2%
Add

Day

77°
Partly Cloudy Day
Rain drop
2%
WSW 7 mph

Partly cloudy. High 77F. Winds WSW at 5 to 10 mph.

  • Humidity
    Humidity54%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise7:09 am
  • Sunset
    Sunset7:23 pm

Night

51°
Partly Cloudy Night
Rain drop
9%
W 5 mph

Partly cloudy. Low 51F. Winds light and variable.

  • Humidity
    Humidity73%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise8:58 am
  • Moonset
    Moonset--
  • Moon Phase - Day 4 Waxing Crescent

Mon 23

Partly Cloudy Day Partly Cloudy
76°/47°
Rain drop 5%
Add

Day

76°
Partly Cloudy Day
Rain drop
5%
W 7 mph

Partly cloudy skies in the morning will give way to cloudy skies during the afternoon. High 76F. Winds W at 5 to 10 mph.

  • Humidity
    Humidity53%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise7:08 am
  • Sunset
    Sunset7:24 pm

Night

47°
Partly Cloudy Night
Rain drop
23%
W 5 mph

Mostly cloudy skies early, then partly cloudy after midnight. Low 47F. Winds light and variable.

  • Humidity
    Humidity76%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise9:42 am
  • Moonset
    Moonset12:17 am
  • Moon Phase - Day 5 Waxing Crescent

Tue 24

Partly Cloudy Day Partly Cloudy
72°/46°
Rain drop 17%
Add

Day

72°
Partly Cloudy Day
Rain drop
17%
W 7 mph

Sunshine and clouds mixed. High 72F. Winds W at 5 to 10 mph.

  • Humidity
    Humidity54%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise7:06 am
  • Sunset
    Sunset7:25 pm

Night

46°
Foggy
Rain drop
24%
W 5 mph

Partly cloudy skies early will give way to considerable cloudiness and fog after midnight. Low 46F. Winds light and variable.

  • Humidity
    Humidity78%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise10:36 am
  • Moonset
    Moonset1:30 am
  • Moon Phase - Day 6 Waxing Crescent

Wed 25

Foggy AM Fog/PM Sun
71°/45°
Rain drop 24%
Add

Day

71°
Foggy
Rain drop
24%
W 8 mph

Foggy early, then partly cloudy later in the day. High 71F. Winds W at 5 to 10 mph.

  • Humidity
    Humidity56%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise7:05 am
  • Sunset
    Sunset7:26 pm

Night

45°
Partly Cloudy Night
Rain drop
19%
WNW 6 mph

A few clouds from time to time. Low near 45F. Winds WNW at 5 to 10 mph.

  • Humidity
    Humidity75%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise11:39 am
  • Moonset
    Moonset2:37 am
  • Moon Phase - Day 7 First Quarter

Thu 26

Partly Cloudy Day Partly Cloudy
71°/44°
Rain drop 15%
Add

Day

71°
Partly Cloudy Day
Rain drop
15%
NW 8 mph

Sunshine and clouds mixed. High 71F. Winds NW at 5 to 10 mph.

  • Humidity
    Humidity51%
  • UV index
    UV Index6 of 11
  • Sunrise
    Sunrise7:03 am
  • Sunset
    Sunset7:27 pm

Night

44°
Partly Cloudy Night
Rain drop
23%
NW 6 mph

Partly cloudy. Low 44F. Winds NW at 5 to 10 mph.

  • Humidity
    Humidity72%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise12:49 pm
  • Moonset
    Moonset3:32 am
  • Moon Phase - Day 8 Waxing Gibbous
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