Flagstaff, AZ Weather & Growing Conditions
This Afternoon
56°F
Mostly Cloudy
Mostly cloudy. High near 56, with temperatures falling to around 52 in the afternoon. Southeast wind around 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 56°F | Mostly Cloudy | 7 mph SE | 0% |
| Tonight | 31°F | Partly Cloudy | 3 to 7 mph SW | 0% |
| Wednesday | 55°F | Sunny | 7 to 13 mph W | 0% |
| Wednesday Night | 26°F | Clear then Patchy Fog | 1 to 7 mph N | 0% |
| Thursday | 54°F | Sunny | 3 to 8 mph E | 0% |
| Thursday Night | 28°F | Patchy Fog then Partly Cloudy | 1 to 5 mph SW | 0% |
| Friday | 54°F | Sunny | 3 to 8 mph NE | 1% |
| Friday Night | 31°F | Mostly Clear | 9 mph NE | 1% |
| Saturday | 55°F | Sunny | 6 to 14 mph NE | 1% |
| Saturday Night | 33°F | Mostly Clear | 3 to 8 mph NE | 0% |
| Sunday | 58°F | Sunny | 2 to 7 mph E | 3% |
| Sunday Night | 35°F | Partly Cloudy | 1 mph NE | 3% |
| Monday | 59°F | Mostly Sunny | 0 to 5 mph SE | 12% |
| Monday Night | 36°F | Partly Cloudy | 1 mph NW | 4% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Flagstaff, AZ
Last spring frost
Jun 4
First fall frost
Sep 28
Growing season
115 days
Explore more for Flagstaff, AZ: full frost dates · planting calendar · Arizona frost dates
Climate data from the nearest NOAA station, Flagstaff Pulliam Ap, Az (3.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.