Weather forecast for tomorrow
Longmont, CO

Weather forecast for tomorrow

Monday, May 5.

PM Thunderstorms
5:52 am

8:01 pm
MDT
PM Thunderstorms
64°F / 46°F
  • Wind: 14mph SE
  • Humidity: 54%
  • Precip. probability: 61%
  • Precipitation: 0.39"
  • UV index: 5
Tomorrow, in Longmont, rain with scattered lightning is expected during the afternoon.
The chance of precipitation is high. However, the rainfall will be light. Temperature is anticipated to swing from a high of an enjoyable 64.4°F to a low of a frosty 46.4°F.
Expect the maximum temperature to remain consistent with the typical May high of 66.4°F.
Sunrise will be at 5:52 am and sunset at 8:01 pm; tomorrow's daylight will last for 14h and 8min.

Frequently asked questions

What is the weather forecast for Longmont for tomorrow?
Tomorrow, thunderstorms are forecasted to develop with occasional lightning.
Will it rain tomorrow?
Light precipitation of 0.39" is predicted. The likelihood of rainfall is 61%.
What will be the highest temperature tomorrow?
Tomorrow, the highest temperature will be 64.4°F, while the lowest temperature will be 46.4°F.
The highest temperature will be in line with the average maximum of 66.4°F in May. The lowest temperature will be relatively higher than the average low of 42.6°F.
When is the sunrise / sunset tomorrow?
On Monday, in Longmont, sunrise will be at 5:52 am and sunset at 8:01 pm (MDT).
How long will the day be tomorrow in Longmont?
In Longmont, the length of the day tomorrow will be 14h and 8min.

Hourly weather forecast

12 am
  • 54°F
  • Feels like:
    52°F
Partly Cloudy
Partly Cloudy
  • Wind: 6mph SSE
  • Pressure: 29.68"Hg
  • Humidity: 57%
  • Precip. probability: 2%
  • Precipitation: 0"
  • Visibility: 10mi
2 am
  • 52°F
  • Feels like:
    48°F
Partly Cloudy
Partly Cloudy
  • Wind: 6mph SSE
  • Pressure: 29.71"Hg
  • Humidity: 63%
  • Precip. probability: 3%
  • Precipitation: 0"
  • Visibility: 10mi
4 am
  • 48°F
  • Feels like:
    46°F
Partly Cloudy
Partly Cloudy
  • Wind: 6mph SE
  • Pressure: 29.71"Hg
  • Humidity: 73%
  • Precip. probability: 5%
  • Precipitation: 0"
  • Visibility: 10mi
Sunrise: 5:52 am
6 am
  • 46°F
  • Feels like:
    45°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 4mph ESE
  • Pressure: 29.74"Hg
  • Humidity: 78%
  • Precip. probability: 5%
  • Precipitation: 0"
  • Visibility: 10mi
8 am
  • 52°F
  • Feels like:
    50°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 5mph SE
  • Pressure: 29.74"Hg
  • Humidity: 67%
  • Precip. probability: 3%
  • Precipitation: 0"
  • Visibility: 10mi
10 am
  • 59°F
  • Feels like:
    57°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 6mph SSE
  • Pressure: 29.71"Hg
  • Humidity: 50%
  • Precip. probability: 1%
  • Precipitation: 0"
  • Visibility: 10mi
12 pm
  • 64°F
  • Feels like:
    64°F
Cloudy
Cloudy
  • Wind: 8mph SSE
  • Pressure: 29.65"Hg
  • Humidity: 40%
  • Precip. probability: 23%
  • Precipitation: 0"
  • Visibility: 10mi
2 pm
  • 63°F
  • Feels like:
    61°F
Isolated Thunderstorms
Isolated Thunderstorms
  • Wind: 14mph SE
  • Pressure: 29.62"Hg
  • Humidity: 46%
  • Precip. probability: 34%
  • Precipitation: 0.04"
  • Visibility: 6mi
4 pm
  • 59°F
  • Feels like:
    57°F
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 14mph SE
  • Pressure: 29.65"Hg
  • Humidity: 55%
  • Precip. probability: 50%
  • Precipitation: 0.04"
  • Visibility: 5mi
6 pm
  • 55°F
  • Feels like:
    52°F
Showers
Showers
  • Wind: 11mph SE
  • Pressure: 29.68"Hg
  • Humidity: 64%
  • Precip. probability: 47%
  • Precipitation: 0.04"
  • Visibility: 5mi
8 pm
  • 50°F
  • Feels like:
    46°F
Showers
Showers
  • Wind: 11mph SE
  • Pressure: 29.74"Hg
  • Humidity: 75%
  • Precip. probability: 45%
  • Precipitation: 0.04"
  • Visibility: 5mi
Sunset: 8:01 pm
10 pm
  • 50°F
  • Feels like:
    46°F
Few Showers
Few Showers
  • Wind: 7mph SE
  • Pressure: 29.8"Hg
  • Humidity: 80%
  • Precip. probability: 34%
  • Precipitation: 0.04"
  • Visibility: 5mi
Tomorrow, on Monday, a combination of cloudy, wet and unstable weather is expected.
Rainfall is forecasted from 1 pm to 11 pm. With light precipitation of 0.08", the most intense rain will be falling at 5 pm and 9 pm.
The temperature will be between a minimum of 46.4°F and a maximum of 64.4°F. The warmest part of the day will be at noon and 1 pm.
The forecasted high will be close to the typical May maximum of 66.4°F. Forecasts indicate a night temperature also a couple of degrees higher than the usual May minimum of 42.6°F.
Updated: May 4, 2025 @ 21:55:35 UTC
Published by: Weather U.S. | About Us
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