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

As of 9:57 am PDT
alertLevel3

Heat Advisory

Today

Sunny Sunny
92°/54°
Rain drop 0%
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Day

92°
Sunny
E 4 mph

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

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  • Humidity
    Humidity34%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise7:17 am
  • Sunset
    Sunset7:18 pm

Night

54°
Clear Night
Rain drop
2%
NW 3 mph

Clear skies. Low 54F. Winds light and variable.

  • Humidity
    Humidity70%
  • 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°/55°
Rain drop 2%
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Day

91°
Sunny
Rain drop
2%
E 5 mph

Mainly sunny. Near record high temperatures. High 91F. Winds light and variable.

  • Humidity
    Humidity45%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise7:15 am
  • Sunset
    Sunset7:19 pm

Night

55°
Clear Night
Rain drop
2%
NNW 3 mph

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

  • Humidity
    Humidity63%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise7:01 am
  • Moonset
    Moonset7:20 pm
  • Moon Phase - Day 0 New Moon

Thu 19

Sunny Sunny
93°/58°
Rain drop 2%
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Day

93°
Sunny
Rain drop
2%
NNW 4 mph

A mainly sunny sky. Near record high temperatures. High 93F. Winds light and variable.

  • Humidity
    Humidity38%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise7:14 am
  • Sunset
    Sunset7:20 pm

Night

58°
Clear Night
Rain drop
2%
NNW 4 mph

A mostly clear sky. Low 58F. Winds light and variable.

  • Humidity
    Humidity57%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise7:26 am
  • Moonset
    Moonset8:31 pm
  • Moon Phase - Day 1 Waxing Crescent

Fri 20

Sunny Sunny
94°/58°
Rain drop 2%
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Day

94°
Sunny
Rain drop
2%
NW 5 mph

A mainly sunny sky. Near record high temperatures. High 94F. Winds light and variable.

  • Humidity
    Humidity38%
  • UV index
    UV Index6 of 11
  • Sunrise
    Sunrise7:12 am
  • Sunset
    Sunset7:21 pm

Night

58°
Partly Cloudy Night
Rain drop
2%
WNW 4 mph

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

  • Humidity
    Humidity57%
  • 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
89°/53°
Rain drop 2%
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Day

89°
Partly Cloudy Day
Rain drop
2%
WNW 8 mph

Partly cloudy skies. Near record high temperatures. High 89F. Winds WNW at 5 to 10 mph.

  • Humidity
    Humidity40%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise7:11 am
  • Sunset
    Sunset7:22 pm

Night

53°
Partly Cloudy Night
Rain drop
2%
WNW 5 mph

Partly cloudy. Low 53F. Winds light and variable.

  • Humidity
    Humidity61%
  • 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
84°/52°
Rain drop 2%
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Day

84°
Partly Cloudy Day
Rain drop
2%
W 7 mph

Partly cloudy. High 84F. Winds W at 5 to 10 mph.

  • Humidity
    Humidity44%
  • UV index
    UV Index6 of 11
  • Sunrise
    Sunrise7:09 am
  • Sunset
    Sunset7:23 pm

Night

52°
Partly Cloudy Night
Rain drop
3%
W 5 mph

Partly cloudy. Low 52F. Winds light and variable.

  • Humidity
    Humidity63%
  • 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
81°/53°
Rain drop 2%
Add

Day

81°
Partly Cloudy Day
Rain drop
2%
W 7 mph

Partly cloudy skies. High 81F. Winds W at 5 to 10 mph.

  • Humidity
    Humidity42%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise7:08 am
  • Sunset
    Sunset7:24 pm

Night

53°
Mostly Cloudy Night
Rain drop
1%
W 5 mph

Mainly cloudy. Low 53F. Winds light and variable.

  • Humidity
    Humidity59%
  • 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
76°/48°
Rain drop 8%
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Day

76°
Partly Cloudy Day
Rain drop
8%
WSW 8 mph

Sunshine and clouds mixed. High 76F. Winds WSW at 5 to 10 mph.

  • Humidity
    Humidity47%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise7:06 am
  • Sunset
    Sunset7:25 pm

Night

48°
Partly Cloudy Night
Rain drop
5%
W 6 mph

Considerable clouds early. Some decrease in clouds late. Low 48F. Winds light and variable.

  • Humidity
    Humidity66%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise10:36 am
  • Moonset
    Moonset1:30 am
  • Moon Phase - Day 6 Waxing Crescent

Wed 25

Partly Cloudy Day Partly Cloudy
75°/48°
Rain drop 2%
Add

Day

75°
Partly Cloudy Day
Rain drop
2%
WNW 7 mph

Intervals of clouds and sunshine. High around 75F. Winds WNW at 5 to 10 mph.

  • Humidity
    Humidity44%
  • UV index
    UV Index6 of 11
  • Sunrise
    Sunrise7:05 am
  • Sunset
    Sunset7:26 pm

Night

48°
Partly Cloudy Night
Rain drop
2%
NW 5 mph

Partly cloudy. Low 48F. Winds light and variable.

  • Humidity
    Humidity59%
  • 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
80°/47°
Rain drop 0%
Add

Day

80°
Partly Cloudy Day
NNW 6 mph

Partly cloudy. High near 80F. Winds light and variable.

  • Humidity
    Humidity34%
  • UV index
    UV Index6 of 11
  • Sunrise
    Sunrise7:03 am
  • Sunset
    Sunset7:27 pm

Night

47°
Partly Cloudy Night
Rain drop
2%
WNW 4 mph

Partly cloudy skies. Low 47F. Winds light and variable.

  • Humidity
    Humidity58%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise12:49 pm
  • Moonset
    Moonset3:32 am
  • Moon Phase - Day 8 Waxing Gibbous

Fri 27

Partly Cloudy Day Partly Cloudy
79°/47°
Rain drop 1%
Add

Day

79°
Partly Cloudy Day
Rain drop
1%
WNW 7 mph

Sunshine and clouds mixed. High 79F. Winds WNW at 5 to 10 mph.

  • Humidity
    Humidity40%
  • UV index
    UV Index6 of 11
  • Sunrise
    Sunrise7:02 am
  • Sunset
    Sunset7:28 pm

Night

47°
Partly Cloudy Night
Rain drop
4%
WNW 5 mph

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

  • Humidity
    Humidity63%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise2:01 pm
  • Moonset
    Moonset4:17 am
  • Moon Phase - Day 9 Waxing Gibbous

Sat 28

Partly Cloudy Day Partly Cloudy
77°/47°
Rain drop 5%
Add

Day

77°
Partly Cloudy Day
Rain drop
5%
W 8 mph

Sunshine and clouds mixed. High 77F. Winds W at 5 to 10 mph.

  • Humidity
    Humidity44%
  • UV index
    UV Index6 of 11
  • Sunrise
    Sunrise7:00 am
  • Sunset
    Sunset7:29 pm

Night

47°
Mostly Clear Night
Rain drop
11%
W 6 mph

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

  • Humidity
    Humidity70%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise3:13 pm
  • Moonset
    Moonset4:52 am
  • Moon Phase - Day 10 Waxing Gibbous

Sun 29

Mostly Clear Day Mostly Sunny
77°/46°
Rain drop 10%
Add

Day

77°
Mostly Clear Day
Rain drop
10%
WNW 8 mph

Mostly sunny skies. High 77F. Winds WNW at 5 to 10 mph.

  • Humidity
    Humidity47%
  • UV index
    UV Index6 of 11
  • Sunrise
    Sunrise6:59 am
  • Sunset
    Sunset7:30 pm

Night

46°
Partly Cloudy Night
Rain drop
19%
WNW 6 mph

Partly cloudy. Low 46F. Winds WNW at 5 to 10 mph.

  • Humidity
    Humidity76%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise4:22 pm
  • Moonset
    Moonset5:21 am
  • Moon Phase - Day 11 Waxing Gibbous

Mon 30

Mostly Clear Day Mostly Sunny
72°/48°
Rain drop 16%
Add

Day

72°
Mostly Clear Day
Rain drop
16%
W 8 mph

Mostly sunny skies. High 72F. Winds W at 5 to 10 mph.

  • Humidity
    Humidity54%
  • UV index
    UV Index6 of 11
  • Sunrise
    Sunrise6:57 am
  • Sunset
    Sunset7:31 pm

Night

48°
Partly Cloudy Night
Rain drop
24%
WNW 6 mph

A few clouds. Low 48F. Winds light and variable.

  • Humidity
    Humidity74%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise5:27 pm
  • Moonset
    Moonset5:47 am
  • Moon Phase - Day 12 Waxing Gibbous

Tue 31

Partly Cloudy Day Partly Cloudy
75°/47°
Rain drop 22%
Add

Day

75°
Partly Cloudy Day
Rain drop
22%
WNW 8 mph

Partly cloudy. High near 75F. Winds WNW at 5 to 10 mph.

  • Humidity
    Humidity50%
  • UV index
    UV Index6 of 11
  • Sunrise
    Sunrise6:56 am
  • Sunset
    Sunset7:32 pm

Night

47°
Partly Cloudy Night
Rain drop
11%
WNW 6 mph

Partly cloudy. Low 47F. Winds light and variable.

  • Humidity
    Humidity72%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise6:32 pm
  • Moonset
    Moonset6:10 am
  • Moon Phase - Day 13 Waxing Gibbous
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