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10-Day Weather Forecast for St. Clair, Pennsylvania 17970 - The Weather Channel | weather.com
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10 Day Weather-

As of 4:43 am EDT

Today

Cloudy Cloudy
49°/40°
Rain drop 22%
Subtract

Day

49°
Cloudy
Rain drop
22%
ESE 10 mph

Generally cloudy. Much cooler. High 49F. Winds ESE at 5 to 10 mph.

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  • Humidity
    Humidity87%
  • UV index
    UV Index3 of 11
  • Sunrise
    Sunrise6:46 am
  • Sunset
    Sunset7:31 pm

Night

40°
Cloudy
Rain drop
24%
ESE 9 mph

Cloudy. Low around 40F. Winds ESE at 5 to 10 mph.

  • Humidity
    Humidity89%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise8:28 pm
  • Moonset
    Moonset6:44 am
  • Moon Phase - Day 15 Full Moon

Fri 03

Cloudy Cloudy
69°/57°
Rain drop 22%
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Day

69°
Cloudy
Rain drop
22%
S 8 mph

Cloudy skies. High 69F. Winds S at 5 to 10 mph.

  • Humidity
    Humidity79%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise6:44 am
  • Sunset
    Sunset7:32 pm

Night

57°
Partly Cloudy Night
Rain drop
24%
W 5 mph

Cloudy skies early will become partly cloudy later at night. Low 57F. Winds light and variable.

  • Humidity
    Humidity83%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise9:33 pm
  • Moonset
    Moonset7:07 am
  • Moon Phase - Day 16 Waning Gibbous

Sat 04

Partly Cloudy Day Partly Cloudy
77°/52°
Rain drop 24%
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Day

77°
Partly Cloudy Day
Rain drop
24%
SE 9 mph

Partly to mostly cloudy. Near record high temperatures. High 77F. Winds SE at 5 to 10 mph.

  • Humidity
    Humidity68%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise6:43 am
  • Sunset
    Sunset7:33 pm

Night

52°
Showers
Rain drop
56%
SE 9 mph

Cloudy with showers. Low 52F. Winds SE at 5 to 10 mph. Chance of rain 60%.

  • Humidity
    Humidity86%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise10:37 pm
  • Moonset
    Moonset7:33 am
  • Moon Phase - Day 17 Waning Gibbous

Sun 05

Rain AM Rain
59°/37°
Rain drop 88%
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Day

59°
Rain
Rain drop
88%
WSW 11 mph

Cloudy. Periods of rain early. High 59F. Winds WSW at 10 to 15 mph. Chance of rain 90%. Rainfall around a quarter of an inch.

  • Humidity
    Humidity76%
  • UV index
    UV Index3 of 11
  • Sunrise
    Sunrise6:41 am
  • Sunset
    Sunset7:34 pm

Night

37°
Partly Cloudy Night
Mixed precipitation
8%
WNW 11 mph

A few clouds from time to time. Low 37F. Winds WNW at 10 to 15 mph.

  • Humidity
    Humidity60%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise11:41 pm
  • Moonset
    Moonset8:02 am
  • Moon Phase - Day 18 Waning Gibbous

Mon 06

Partly Cloudy Day Partly Cloudy
48°/33°
Rain drop 3%
Add

Day

48°
Partly Cloudy Day
Rain drop
3%
WNW 12 mph

Partly to mostly cloudy. High 48F. Winds WNW at 10 to 15 mph.

  • Humidity
    Humidity46%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise6:40 am
  • Sunset
    Sunset7:35 pm

Night

33°
Partly Cloudy Night
Mixed precipitation
23%
WNW 7 mph

Partly cloudy skies. Low 33F. Winds WNW at 5 to 10 mph.

  • Humidity
    Humidity65%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise--
  • Moonset
    Moonset8:38 am
  • Moon Phase - Day 19 Waning Gibbous

Tue 07

Partly Cloudy Day Partly Cloudy
45°/27°
Rain drop 21%
Add

Day

45°
Partly Cloudy Day
Rain drop
21%
NW 10 mph

Intervals of clouds and sunshine. High around 45F. Winds NW at 10 to 15 mph.

  • Humidity
    Humidity54%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise6:38 am
  • Sunset
    Sunset7:36 pm

Night

27°
Partly Cloudy Night
Mixed precipitation
5%
N 8 mph

Partly cloudy skies. Low 27F. Winds N at 5 to 10 mph.

  • Humidity
    Humidity60%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise12:41 am
  • Moonset
    Moonset9:21 am
  • Moon Phase - Day 20 Waning Gibbous

Wed 08

Sunny Sunny
51°/34°
Rain drop 1%
Add

Day

51°
Sunny
Rain drop
1%
E 5 mph

A mainly sunny sky. High 51F. Winds light and variable.

  • Humidity
    Humidity40%
  • UV index
    UV Index6 of 11
  • Sunrise
    Sunrise6:36 am
  • Sunset
    Sunset7:37 pm

Night

34°
Mostly Clear Night
Mixed precipitation
4%
SSE 4 mph

Mostly clear. Low 34F. Winds light and variable.

  • Humidity
    Humidity60%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise1:36 am
  • Moonset
    Moonset10:12 am
  • Moon Phase - Day 21 Waning Gibbous

Thu 09

Mostly Clear Day Mostly Sunny
63°/47°
Rain drop 4%
Add

Day

63°
Mostly Clear Day
Rain drop
4%
S 9 mph

Except for a few afternoon clouds, mainly sunny. High 63F. Winds S at 5 to 10 mph.

  • Humidity
    Humidity50%
  • UV index
    UV Index6 of 11
  • Sunrise
    Sunrise6:35 am
  • Sunset
    Sunset7:38 pm

Night

47°
Partly Cloudy Night
Rain drop
13%
SSW 6 mph

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

  • Humidity
    Humidity64%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise2:23 am
  • Moonset
    Moonset11:09 am
  • Moon Phase - Day 21 Waning Gibbous

Fri 10

Mostly Clear Day Mostly Sunny
71°/50°
Rain drop 12%
Add

Day

71°
Mostly Clear Day
Rain drop
12%
SW 6 mph

A few passing clouds, otherwise generally sunny. High 71F. Winds light and variable.

  • Humidity
    Humidity51%
  • UV index
    UV Index6 of 11
  • Sunrise
    Sunrise6:33 am
  • Sunset
    Sunset7:39 pm

Night

50°
Partly Cloudy Night
Rain drop
15%
SE 4 mph

A few clouds from time to time. Low around 50F. Winds light and variable.

  • Humidity
    Humidity65%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise3:04 am
  • Moonset
    Moonset12:12 pm
  • Moon Phase - Day 22 Last Quarter

Sat 11

Mostly Clear Day Mostly Sunny
72°/54°
Rain drop 12%
Add

Day

72°
Mostly Clear Day
Rain drop
12%
SSE 7 mph

Generally sunny despite a few afternoon clouds. High 72F. Winds SSE at 5 to 10 mph.

  • Humidity
    Humidity55%
  • UV index
    UV Index6 of 11
  • Sunrise
    Sunrise6:32 am
  • Sunset
    Sunset7:40 pm

Night

54°
Partly Cloudy Night
Rain drop
24%
SSE 6 mph

Partly cloudy in the evening with more clouds for later at night. Low 54F. Winds light and variable.

  • Humidity
    Humidity69%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise3:38 am
  • Moonset
    Moonset1:18 pm
  • Moon Phase - Day 23 Waning Crescent

Sun 12

Partly Cloudy Day Partly Cloudy
76°/54°
Rain drop 24%
Add

Day

76°
Partly Cloudy Day
Rain drop
24%
SSW 7 mph

Partly cloudy. High 76F. Winds SSW at 5 to 10 mph.

  • Humidity
    Humidity54%
  • UV index
    UV Index6 of 11
  • Sunrise
    Sunrise6:30 am
  • Sunset
    Sunset7:41 pm

Night

54°
Mostly Cloudy Night
Rain drop
24%
SW 5 mph

Considerable cloudiness. Low 54F. Winds light and variable.

  • Humidity
    Humidity69%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise4:06 am
  • Moonset
    Moonset2:25 pm
  • Moon Phase - Day 24 Waning Crescent

Mon 13

Partly Cloudy Day Partly Cloudy
72°/52°
Rain drop 24%
Add

Day

72°
Partly Cloudy Day
Rain drop
24%
W 9 mph

Intervals of clouds and sunshine. High 72F. Winds W at 5 to 10 mph.

  • Humidity
    Humidity57%
  • UV index
    UV Index7 of 11
  • Sunrise
    Sunrise6:28 am
  • Sunset
    Sunset7:42 pm

Night

52°
Partly Cloudy Night
Rain drop
24%
NNW 6 mph

A few clouds from time to time. Low 52F. Winds NNW at 5 to 10 mph.

  • Humidity
    Humidity69%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise4:31 am
  • Moonset
    Moonset3:34 pm
  • Moon Phase - Day 25 Waning Crescent

Tue 14

Mostly Cloudy Day Mostly Cloudy
68°/49°
Rain drop 24%
Add

Day

68°
Mostly Cloudy Day
Rain drop
24%
W 8 mph

Mostly cloudy. High 68F. Winds W at 5 to 10 mph.

  • Humidity
    Humidity56%
  • UV index
    UV Index6 of 11
  • Sunrise
    Sunrise6:27 am
  • Sunset
    Sunset7:43 pm

Night

49°
Mostly Cloudy Night
Rain drop
24%
SSW 6 mph

Mostly cloudy skies. Low 49F. Winds light and variable.

  • Humidity
    Humidity70%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise4:54 am
  • Moonset
    Moonset4:43 pm
  • Moon Phase - Day 26 Waning Crescent

Wed 15

Showers Few Showers
66°/48°
Rain drop 43%
Add

Day

66°
Showers
Rain drop
43%
WSW 9 mph

Cloudy with a few showers. High 66F. Winds WSW at 5 to 10 mph. Chance of rain 40%.

  • Humidity
    Humidity63%
  • UV index
    UV Index4 of 11
  • Sunrise
    Sunrise6:25 am
  • Sunset
    Sunset7:44 pm

Night

48°
Scattered Showers Night
Rain drop
35%
W 6 mph

Showers in the evening with some clearing overnight. Low 48F. Winds light and variable. Chance of rain 40%.

  • Humidity
    Humidity73%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise5:17 am
  • Moonset
    Moonset5:55 pm
  • Moon Phase - Day 27 Waning Crescent

Thu 16

Scattered Showers Day PM Showers
63°/50°
Rain drop 37%
Add

Day

63°
Scattered Showers Day
Rain drop
37%
WSW 8 mph

Increasing clouds with showers arriving sometime in the afternoon. High 63F. Winds WSW at 5 to 10 mph. Chance of rain 40%.

  • Humidity
    Humidity62%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise6:24 am
  • Sunset
    Sunset7:45 pm

Night

50°
Scattered Showers Night
Rain drop
32%
NE 7 mph

Partly cloudy skies early giving way to a few showers after midnight. Low near 50F. Winds NE at 5 to 10 mph. Chance of rain 30%.

  • Humidity
    Humidity68%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise5:41 am
  • Moonset
    Moonset7:09 pm
  • Moon Phase - Day 28 Waning Crescent
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