Harman US

Judith Gap, MT Weather & Growing Conditions

Tonight
51°F
Chance Showers And Thunderstorms then Showers And Thunderstorms
A chance of showers and thunderstorms before 9pm, then showers and thunderstorms. Cloudy, with a low around 51. North northwest wind 7 to 10 mph. Chance of precipitation is 90%.

7-day forecast

WhenTempForecastWindPrecip
Tonight 51°F Chance Showers And Thunderstorms then Showers And Thunderstorms 7 to 10 mph NNW 93%
Saturday 57°F Showers And Thunderstorms 13 mph NNW 92%
Saturday Night 47°F Rain Showers 9 mph NNW 77%
Sunday 63°F Chance Rain Showers 5 to 8 mph N 47%
Sunday Night 46°F Mostly Cloudy 8 mph SE 9%
Monday 70°F Mostly Sunny 5 to 8 mph S 0%
Monday Night 48°F Mostly Clear 5 to 10 mph SSE 0%
Tuesday 74°F Sunny 5 mph WSW 0%
Tuesday Night 50°F Partly Cloudy 5 to 8 mph SE 7%
Wednesday 74°F Sunny 8 mph WSW 1%
Wednesday Night 50°F Mostly Clear 7 mph SE 1%
Thursday 75°F Sunny 6 to 9 mph S 1%
Thursday Night 51°F Partly Cloudy 9 mph SE 4%
Friday 75°F Mostly Sunny 9 mph S 2%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Judith Gap, MT

Last spring frost
Jun 1
First fall frost
Sep 15
Growing season
104 days
Hardiness zone
4b

Explore more for Judith Gap, MT: full frost dates · planting calendar · Montana frost dates

Climate data from the nearest NOAA station, Judith Gap, Mt (3.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.