Harman US

Havre, MT Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Havre, a city in Hill County, Montana.

This Afternoon
71°F
Mostly Cloudy
Mostly cloudy, with a high near 71. East wind around 8 mph.

7-day forecast for Havre

WhenTempForecastWindPrecip
This Afternoon 71°F Mostly Cloudy 8 mph E 4%
Tonight 47°F Mostly Cloudy 3 to 7 mph E 5%
Sunday 73°F Sunny 3 to 8 mph ESE 3%
Sunday Night 48°F Partly Cloudy 3 to 10 mph ESE 0%
Monday 78°F Mostly Sunny 5 mph SE 0%
Monday Night 50°F Mostly Clear 3 to 12 mph SSE 0%
Tuesday 80°F Sunny 3 mph SSW 0%
Tuesday Night 52°F Partly Cloudy 5 mph S 0%
Wednesday 80°F Mostly Sunny 5 mph WSW 1%
Wednesday Night 53°F Partly Cloudy 2 to 6 mph SSW 5%
Thursday 78°F Mostly Sunny 6 mph W 4%
Thursday Night 52°F Partly Cloudy 5 to 8 mph ENE 9%
Friday 77°F Mostly Sunny 7 mph ESE 5%
Friday Night 49°F Mostly Cloudy then Slight Chance Light Rain 9 mph SSW 19%

Forecast source: National Weather Service (api.weather.gov) for Havre (48.542, -109.678). Updated through the day.

Growing snapshot for Havre

Last spring frost
May 15
First fall frost
Sep 23
Growing season
129 days
Hardiness zone
3b

More local growing data for Havre: nearby ZIP 59501 weather · frost dates · planting calendar · Montana frost dates

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Climate data from the nearest NOAA station, Havre City Co Ap, Mt (10.2 mi from Havre). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.