Harman US

Herron, MT Weather & Growing Conditions

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

Overnight
28°F
Patchy Fog
Patchy fog. Mostly clear, with a low around 28. Wind around 0 mph.

7-day forecast for Herron

WhenTempForecastWindPrecip
Overnight 28°F Patchy Fog 0 mph 0%
Wednesday 44°F Patchy Fog then Mostly Sunny 0 to 6 mph W 0%
Wednesday Night 27°F Partly Cloudy 2 mph S 0%
Thursday 51°F Mostly Sunny 2 to 14 mph SW 0%
Thursday Night 33°F Mostly Clear 15 mph SW 1%
Friday 53°F Sunny 13 to 18 mph SW 0%
Friday Night 36°F Partly Cloudy 14 to 20 mph SW 0%
Saturday 57°F Sunny 5 to 14 mph SW 0%
Saturday Night 36°F Partly Cloudy 6 mph SSW 0%
Sunday 63°F Partly Sunny 5 to 21 mph WSW 1%
Sunday Night 36°F Partly Cloudy 9 to 23 mph W 1%
Monday 53°F Mostly Sunny 5 to 9 mph WSW 1%
Monday Night 34°F Mostly Cloudy 3 to 8 mph SSW 1%
Tuesday 59°F Mostly Sunny 8 to 15 mph SW 0%

Forecast source: National Weather Service (api.weather.gov) for Herron (48.534, -109.772). Updated through the day.

Growing snapshot for Herron

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

More local growing data for Herron: 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 Herron). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.