Herron, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Herron, a community in Hill County, Montana.
Today
79°F
Sunny
Sunny, with a high near 79. West wind around 9 mph.
7-day forecast for Herron
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 79°F | Sunny | 9 mph W | 1% |
| Tonight | 48°F | Mostly Clear | 3 to 9 mph SW | 1% |
| Wednesday | 86°F | Mostly Sunny | 8 to 12 mph WSW | 0% |
| Wednesday Night | 51°F | Mostly Clear | 3 to 12 mph SW | 0% |
| Thursday | 93°F | Sunny | 3 to 13 mph W | 0% |
| Thursday Night | 54°F | Mostly Clear | 8 to 14 mph ENE | 0% |
| Friday | 94°F | Sunny | 8 to 13 mph ENE | 0% |
| Friday Night | 56°F | Mostly Clear | 10 mph ENE | 0% |
| Saturday | 92°F | Sunny | 7 to 10 mph W | 0% |
| Saturday Night | 56°F | Partly Cloudy | 6 to 10 mph NE | 1% |
| Sunday | 89°F | Mostly Sunny | 10 mph NNE | 2% |
| Sunday Night | 55°F | Partly Cloudy | 10 mph NE | 10% |
| Monday | 87°F | Mostly Sunny | 10 mph ENE | 12% |
| Monday Night | 54°F | Partly Cloudy then Slight Chance Rain Showers | 10 mph ENE | 21% |
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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West Havre
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 Aug 4, 2026.