Longmont, Colorado 14-day weather forecast
Wednesday 11 November 2026 | 15:22
15°
Overcast
Feels like 11°
- High
- 20°
- Low
- 1°
- Humidity
- 23%
- Wind
- 9 km/h
14-day forecast / Longmont
The trend for the next two weeks
- Today10 NovScattered clouds20° / 1°0 mm0%9 – 13 km/hNorth4Moderate
- Tomorrow11 NovScattered clouds18° / 2°0 mm0%7 – 10 km/hSouth4Moderate
- Thursday12 NovClear sky20° / 3°0 mm0%8 – 11 km/hWest4Moderate
- Friday13 NovOvercast19° / 4°0 mm0%6 – 9 km/hNorth-East4Moderate
- Saturday14 NovOvercast7° / 2°0 mm14%8 – 12 km/hNorth1Low
- Sunday15 NovOvercast8° / 1°0 mm18%12 – 17 km/hNorth2Low
- Monday16 NovOvercast12° / -2°0 mm1%7 – 10 km/hNorth-East3Moderate
- Tuesday17 NovClear sky15° / 1°0 mm19%7 – 11 km/hEast4Moderate
- Wednesday18 NovOvercast14° / 3°0 mm27%11 – 16 km/hSouth-West3Moderate
- Thursday19 NovOvercast8° / 0°0.6 mm22%10 – 15 km/hNorth3Moderate
- Friday20 NovOvercast5° / -4°1.2 mm53%14 – 20 km/hNorth3Moderate
- Saturday21 NovOvercast0° / -8°0.9 mm43%23 – 32 km/hNorth2Low
- Sunday22 NovClear sky0° / -11°0 mm8%7 – 10 km/hWest3Moderate
- Monday23 NovClear sky5° / -10°0 mm3%7 – 10 km/hWest3Moderate
Temperature and rain / Longmont
The coming days
High
20°
Low
-11°
Average high
10.9°
Average low
-1.5°
Total rain
2.7 mm
Average rain
0.2 mm
Air quality - Longmont
Particles and ozone
Good
9.30 µg/m³
0-1212-3535-5555+
The air is clean: enjoy the outdoors.
PM1011.70µg/m³
Ozone67µg/m³
Data updated hourly
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Frequently asked questions
Quick answers about the weather in Longmont
Tomorrow in Longmont, expect Scattered clouds ⛅, with:\n\n- High of 18°\n- Low of 2°
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Our data is updated regularly to give you the most reliable forecast.
Last updated: 2026-11-11