Northern Colorado Airport (FNL) Weather 09/18/2025
Today
71
Areas Smoke
Tonight
46
Mostly Clear
Saturday
79
Sunny
Saturday Night
52
Partly Cloudy
Sunday
81
Mostly Sunny then Chance T-storms
Sunday Night
54
Mostly Cloudy
Monday
87
Mostly Sunny
Monday Night
54
Partly Cloudy
Tuesday
86
Mostly Sunny
Tuesday Night
53
Partly Cloudy
Wednesday
86
Mostly Sunny
Wednesday Night
54
Partly Cloudy
Thursday
87
Mostly Sunny
Weekly Forecast
Today
Areas of smoke. Partly sunny, with a high near 71. East southeast wind 6 to 10 mph, with gusts as high as 16 mph.
Tonight
Mostly clear, with a low around 46. East wind 5 to 10 mph becoming north after midnight. Winds could gust as high as 16 mph.
Saturday
Sunny, with a high near 79. Light and variable wind becoming east southeast 5 to 9 mph in the morning. Winds could gust as high as 15 mph.
Saturday Night
Partly cloudy, with a low around 52. East southeast wind 5 to 8 mph becoming north after midnight.
Sunday
A 30 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 81. Light and variable wind becoming south 5 to 8 mph in the morning. Winds could gust as high as 16 mph.
Sunday Night
Mostly cloudy, with a low around 54.
Monday
Mostly sunny, with a high near 87.
Monday Night
Partly cloudy, with a low around 54.
Tuesday
Mostly sunny, with a high near 86.
Tuesday Night
Partly cloudy, with a low around 53.
Wednesday
Mostly sunny, with a high near 86.
Wednesday Night
Partly cloudy, with a low around 54.
Thursday
Mostly sunny, with a high near 87.