10-Day Weather Forecast for Old South Longmont, Longmont, Colorado - The Weather Channel | weather.com
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10 Day Weather-

As of 12:10 am MDT

Tonight

Clear Night Clear
--/45°
Rain drop 0%
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Night

45°
Clear Night
W 6 mph

Clear skies. Low around 45F. Winds light and variable.

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Heads-up

Highs In The 80s, 90s This Weekend


  • Humidity
    Humidity31%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise6:51 am
  • Moonset
    Moonset7:07 pm
  • Moon Phase - Day 29 New Moon

Thu 19

Sunny Sunny
86°/47°
Rain drop 0%
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Day

86°
Sunny
WSW 9 mph

Sunny. Near record high temperatures. High 86F. Winds WSW at 5 to 10 mph.

  • Humidity
    Humidity16%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise7:05 am
  • Sunset
    Sunset7:11 pm

Night

47°
Clear Night
W 8 mph

Clear skies. Low 47F. Winds W at 5 to 10 mph.

  • Humidity
    Humidity26%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise7:14 am
  • Moonset
    Moonset8:19 pm
  • Moon Phase - Day 1 Waxing Crescent

Fri 20

Sunny Sunny
89°/47°
Rain drop 0%
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Day

89°
Sunny
WSW 8 mph

A mainly sunny sky. Near record high temperatures. High 89F. Winds WSW at 5 to 10 mph.

  • Humidity
    Humidity14%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise7:03 am
  • Sunset
    Sunset7:12 pm

Night

47°
Clear Night
W 6 mph

Clear skies. Low 47F. Winds W at 5 to 10 mph.

  • Humidity
    Humidity25%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise7:39 am
  • Moonset
    Moonset9:35 pm
  • Moon Phase - Day 2 Waxing Crescent

Sat 21

Mostly Clear Day Mostly Sunny
90°/43°
Rain drop 0%
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Day

90°
Mostly Clear Day
WSW 14 mph

Sunshine. Record high temperatures expected. High near 90F. Winds WSW at 10 to 20 mph.

  • Humidity
    Humidity13%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise7:01 am
  • Sunset
    Sunset7:13 pm

Night

43°
Partly Cloudy Night
Rain drop
1%
WNW 11 mph

A few clouds from time to time. Low 43F. Winds WNW at 10 to 15 mph.

  • Humidity
    Humidity27%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise8:07 am
  • Moonset
    Moonset10:52 pm
  • Moon Phase - Day 3 Waxing Crescent

Sun 22

Partly Cloudy Day Partly Cloudy
64°/39°
Rain drop 3%
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Day

64°
Partly Cloudy Day
Rain drop
3%
E 11 mph

Sunshine and clouds mixed. High 64F. Winds E at 10 to 15 mph.

  • Humidity
    Humidity42%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise7:00 am
  • Sunset
    Sunset7:14 pm

Night

39°
Partly Cloudy Night
Mixed precipitation
2%
NNE 9 mph

A few clouds from time to time. Low 39F. Winds NNE at 5 to 10 mph.

  • Humidity
    Humidity51%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise8:41 am
  • Moonset
    Moonset--
  • Moon Phase - Day 4 Waxing Crescent

Mon 23

Partly Cloudy Day Partly Cloudy
76°/47°
Rain drop 1%
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Day

76°
Partly Cloudy Day
Rain drop
1%
NE 9 mph

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

  • Humidity
    Humidity30%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise6:58 am
  • Sunset
    Sunset7:15 pm

Night

47°
Partly Cloudy Night
WNW 7 mph

Cloudy skies early, then partly cloudy after midnight. Low 47F. Winds WNW at 5 to 10 mph.

  • Humidity
    Humidity34%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise9:24 am
  • Moonset
    Moonset12:10 am
  • Moon Phase - Day 5 Waxing Crescent

Tue 24

Partly Cloudy Day Partly Cloudy
82°/49°
Rain drop 0%
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Day

82°
Partly Cloudy Day
SW 9 mph

Partly cloudy. High 82F. Winds SW at 5 to 10 mph.

  • Humidity
    Humidity21%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise6:57 am
  • Sunset
    Sunset7:17 pm

Night

49°
Partly Cloudy Night
WNW 7 mph

A few clouds from time to time. Low 49F. Winds WNW at 5 to 10 mph.

  • Humidity
    Humidity32%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise10:16 am
  • Moonset
    Moonset1:25 am
  • Moon Phase - Day 6 Waxing Crescent

Wed 25

Mostly Clear Day Mostly Sunny
88°/43°
Rain drop 0%
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Day

88°
Mostly Clear Day
WSW 14 mph

A few clouds from time to time. High 88F. Winds WSW at 10 to 20 mph.

  • Humidity
    Humidity18%
  • UV index
    UV Index6 of 11
  • Sunrise
    Sunrise6:55 am
  • Sunset
    Sunset7:18 pm

Night

43°
Partly Cloudy Night
Rain drop
14%
W 12 mph

A few clouds. Low 43F. Winds W at 10 to 15 mph.

  • Humidity
    Humidity28%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise11:19 am
  • Moonset
    Moonset2:31 am
  • Moon Phase - Day 7 First Quarter

Thu 26

Partly Cloudy Day Partly Cloudy
66°/32°
Rain drop 14%
Add

Day

66°
Partly Cloudy Day
Rain drop
14%
NE 15 mph

Partly cloudy skies. High 66F. Winds NE at 10 to 20 mph.

  • Humidity
    Humidity28%
  • UV index
    UV Index6 of 11
  • Sunrise
    Sunrise6:53 am
  • Sunset
    Sunset7:19 pm

Night

32°
Partly Cloudy Night
Mixed precipitation
1%
NNE 13 mph

A few clouds from time to time. Low 32F. Winds NNE at 10 to 20 mph.

  • Humidity
    Humidity38%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise12:29 pm
  • Moonset
    Moonset3:27 am
  • Moon Phase - Day 8 Waxing Gibbous

Fri 27

Mostly Clear Day Mostly Sunny
60°/36°
Rain drop 0%
Add

Day

60°
Mostly Clear Day
ENE 9 mph

Mostly sunny skies. High near 60F. Winds ENE at 5 to 10 mph.

  • Humidity
    Humidity30%
  • UV index
    UV Index6 of 11
  • Sunrise
    Sunrise6:52 am
  • Sunset
    Sunset7:20 pm

Night

36°
Partly Cloudy Night
NNW 8 mph

Partly cloudy. Low 36F. Winds NNW at 5 to 10 mph.

  • Humidity
    Humidity37%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise1:44 pm
  • Moonset
    Moonset4:10 am
  • Moon Phase - Day 9 Waxing Gibbous

Sat 28

Partly Cloudy Day Partly Cloudy
72°/43°
Rain drop 2%
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Day

72°
Partly Cloudy Day
Rain drop
2%
NE 11 mph

Sunshine and clouds mixed. High 72F. Winds NE at 10 to 15 mph.

  • Humidity
    Humidity24%
  • UV index
    UV Index6 of 11
  • Sunrise
    Sunrise6:50 am
  • Sunset
    Sunset7:21 pm

Night

43°
Partly Cloudy Night
Rain drop
2%
WNW 9 mph

Partly cloudy. Low 43F. Winds WNW at 5 to 10 mph.

  • Humidity
    Humidity35%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise2:56 pm
  • Moonset
    Moonset4:45 am
  • Moon Phase - Day 10 Waxing Gibbous

Sun 29

Mostly Cloudy Day Mostly Cloudy
76°/45°
Rain drop 2%
Add

Day

76°
Mostly Cloudy Day
Rain drop
2%
W 11 mph

Considerable cloudiness. High 76F. Winds W at 10 to 15 mph.

  • Humidity
    Humidity23%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise6:48 am
  • Sunset
    Sunset7:22 pm

Night

45°
Mostly Cloudy Night
Rain drop
2%
W 9 mph

Mostly cloudy. Low around 45F. Winds W at 5 to 10 mph.

  • Humidity
    Humidity38%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise4:06 pm
  • Moonset
    Moonset5:14 am
  • Moon Phase - Day 11 Waxing Gibbous

Mon 30

Partly Cloudy Day Partly Cloudy
74°/42°
Rain drop 24%
Add

Day

74°
Partly Cloudy Day
Rain drop
24%
WSW 12 mph

Intervals of clouds and sunshine. High 74F. Winds WSW at 10 to 15 mph.

  • Humidity
    Humidity27%
  • UV index
    UV Index6 of 11
  • Sunrise
    Sunrise6:47 am
  • Sunset
    Sunset7:23 pm

Night

42°
Partly Cloudy Night
Rain drop
24%
NW 10 mph

A few clouds from time to time. Low 42F. W winds shifting to NNE at 10 to 15 mph.

  • Humidity
    Humidity43%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise5:14 pm
  • Moonset
    Moonset5:38 am
  • Moon Phase - Day 12 Waxing Gibbous

Tue 31

Partly Cloudy Day Partly Cloudy
64°/39°
Rain drop 24%
Add

Day

64°
Partly Cloudy Day
Rain drop
24%
SE 12 mph

Intervals of clouds and sunshine. High 64F. Winds SE at 10 to 15 mph.

  • Humidity
    Humidity33%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise6:45 am
  • Sunset
    Sunset7:24 pm

Night

39°
Scattered Showers Night
Rain drop
30%
NNW 10 mph

A shower or two around the area in the evening, then partly cloudy overnight. Low 39F. Winds NNW at 5 to 10 mph. Chance of rain 30%.

  • Humidity
    Humidity51%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise6:19 pm
  • Moonset
    Moonset6:00 am
  • Moon Phase - Day 13 Waxing Gibbous

Wed 01

Partly Cloudy Day Partly Cloudy
66°/40°
Rain drop 11%
Add

Day

66°
Partly Cloudy Day
Rain drop
11%
NW 12 mph

Intervals of clouds and sunshine. High 66F. NE winds shifting to W at 10 to 15 mph.

  • Humidity
    Humidity34%
  • UV index
    UV Index5 of 11
  • Sunrise
    Sunrise6:43 am
  • Sunset
    Sunset7:25 pm

Night

40°
Partly Cloudy Night
Rain drop
13%
WNW 10 mph

Partly cloudy. Low near 40F. Winds WNW at 10 to 15 mph.

  • Humidity
    Humidity44%
  • UV index
    UV Index0 of 11
  • Moonrise
    Moonrise7:24 pm
  • Moonset
    Moonset6:21 am
  • Moon Phase - Day 14 Full Moon
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