Geyser, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Geyser, a community in Judith Basin County, Montana.
This Afternoon
62°F
Slight Chance Light Rain
A slight chance of rain. Cloudy. High near 62, with temperatures falling to around 59 in the afternoon. Southeast wind around 7 mph. Chance of precipitation is 20%.
7-day forecast for Geyser
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 62°F | Slight Chance Light Rain | 7 mph SE | 21% |
| Tonight | 45°F | Slight Chance Light Rain then Mostly Cloudy | 2 to 7 mph S | 16% |
| Sunday | 70°F | Mostly Sunny | 2 to 7 mph S | 6% |
| Sunday Night | 46°F | Mostly Clear | 3 to 7 mph S | 1% |
| Monday | 76°F | Sunny | 5 mph SW | 1% |
| Monday Night | 50°F | Mostly Clear | 7 mph SW | 0% |
| Tuesday | 79°F | Sunny | 6 mph W | 0% |
| Tuesday Night | 52°F | Partly Cloudy | 6 mph SW | 1% |
| Wednesday | 78°F | Mostly Sunny | 7 mph W | 2% |
| Wednesday Night | 52°F | Partly Cloudy | 5 to 9 mph WSW | 4% |
| Thursday | 78°F | Sunny | 6 to 9 mph SSE | 2% |
| Thursday Night | 52°F | Mostly Clear | 9 mph SSE | 5% |
| Friday | 77°F | Mostly Sunny | 6 to 9 mph SW | 6% |
| Friday Night | 48°F | Partly Cloudy | 7 to 10 mph SW | 13% |
Forecast source: National Weather Service (api.weather.gov) for Geyser (47.263, -110.493). Updated through the day.
Growing snapshot for Geyser
Last spring frost
May 22
First fall frost
Sep 23
Growing season
123 days
Hardiness zone
4b
More local growing data for Geyser: nearby ZIP 59447 weather · frost dates · planting calendar · Montana frost dates
Nearby towns & communities
Danvers
Hobson
Moccasin
Raynesford
Sapphire Ridge
Spring Creek Colony
Stanford
Surprise Creek Colony
Utica
Windham
Climate data from the nearest NOAA station, Raynesford 2 Nnw, Mt (13.9 mi from Geyser). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.