Weather in Longmont, Colorado

Friday 6 November 2026 | 17:58

12°

Scattered clouds

Feels like 8°

High
16°
Low
0°
Humidity
30%
Wind
7 km/h

Hourly forecast

Details
  1. NowScattered clouds12°
  2. 18:00Broken clouds10°
  3. 19:00Scattered clouds9°
  4. 20:00Few clouds8°
  5. 21:00Few clouds8°
  6. 22:00Scattered clouds7°
  7. 23:00Clear sky6°
  8. 00:00Clear sky5°

7-day forecast

14 days

Sun & moon

Sunrise
06:35
Sunset
16:52
Moon phase
Waning crescent

Longmont rain radar

● Live Radar not available right now

Weather maps

All maps

More information

UV index
4
Moderate
Pressure
1017 hPa
Visibility
> 10 km
Dew point
-5°

Longmont: the next 12 hours at a glance

  • No rain expected in the next 12 hours.
  • Up to 12° around 17:00.
  • Best time to go out: around 17:00 (12°).

Temperature and rain / Longmont

The coming days

High

21°

Low

-8°

Average high

16.4°

Average low

2.1°

Total rain

0.0 mm

Average rain

0.0 mm

Air quality - Longmont

Particles and ozone

Good
11.90 µg/m³
0-1212-3535-5555+

The air is clean: enjoy the outdoors.

PM1012.00µg/m³
Ozone55µg/m³
Data updated hourly

Frequently asked questions

Quick answers about the weather in Longmont

Tomorrow in Longmont, expect Scattered clouds ⛅, with:\n\n- High of 17°\n- Low of 2°

Need more information?

Our data is updated regularly to give you the most reliable forecast.

Last updated: 2026-11-07