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Flagstaff, AZ Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Flagstaff, a city in Coconino County, Arizona.

This Afternoon
77°F
Sunny
Sunny. High near 77, with temperatures falling to around 71 in the afternoon. Southwest wind 9 to 13 mph, with gusts as high as 24 mph.

7-day forecast for Flagstaff

WhenTempForecastWindPrecip
This Afternoon 77°F Sunny 9 to 13 mph SW 0%
Tonight 45°F Mostly Clear 1 to 6 mph W 0%
Sunday 76°F Mostly Sunny 1 to 10 mph SW 0%
Sunday Night 46°F Mostly Cloudy 0 to 5 mph W 0%
Monday 74°F Mostly Sunny 0 to 12 mph SW 4%
Monday Night 46°F Mostly Clear 0 to 6 mph SW 12%
Tuesday 74°F Slight Chance Showers And Thunderstorms 0 to 15 mph S 17%
Tuesday Night 47°F Slight Chance Showers And Thunderstorms then Mostly Clear 0 to 7 mph SW 11%
Wednesday 74°F Slight Chance Showers And Thunderstorms 0 to 8 mph SE 16%
Wednesday Night 49°F Slight Chance Showers And Thunderstorms then Partly Cloudy 0 to 3 mph E 10%
Thursday 71°F Chance Showers And Thunderstorms 1 to 10 mph NE 42%
Thursday Night 48°F Chance Showers And Thunderstorms 0 to 3 mph NE 35%
Friday 71°F Showers And Thunderstorms Likely 0 to 7 mph SE 56%
Friday Night 48°F Chance Showers And Thunderstorms 0 to 3 mph W 37%

Forecast source: National Weather Service (api.weather.gov) for Flagstaff (35.185, -111.621). Updated through the day.

Growing snapshot for Flagstaff

Last spring frost
Jun 4
First fall frost
Sep 28
Growing season
115 days

More local growing data for Flagstaff: nearby ZIP 86011 weather · frost dates · planting calendar · Arizona frost dates

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Climate data from the nearest NOAA station, Flagstaff Pulliam Ap, Az (3.2 mi from Flagstaff). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.