Medicine Lake, MT Weather & Growing Conditions
Overnight
26°F
Patchy Fog
Patchy fog. Mostly clear, with a low around 26. West wind around 2 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 26°F | Patchy Fog | 2 mph W | 0% |
| Wednesday | 53°F | Patchy Fog then Sunny | 1 to 7 mph NNW | 0% |
| Wednesday Night | 25°F | Partly Cloudy | 1 to 5 mph NNE | 0% |
| Thursday | 49°F | Partly Sunny | 2 to 9 mph SE | 0% |
| Thursday Night | 29°F | Partly Cloudy | 7 mph SSW | 0% |
| Friday | 53°F | Sunny | 6 to 13 mph WSW | 0% |
| Friday Night | 33°F | Partly Cloudy | 7 to 12 mph SW | 0% |
| Saturday | 57°F | Mostly Sunny | 7 to 16 mph W | 0% |
| Saturday Night | 29°F | Partly Cloudy | 3 to 7 mph SW | 0% |
| Sunday | 61°F | Mostly Sunny | 3 to 12 mph SW | 0% |
| Sunday Night | 38°F | Partly Cloudy | 12 mph W | 0% |
| Monday | 56°F | Mostly Sunny | 6 to 14 mph WNW | 1% |
| Monday Night | 31°F | Partly Cloudy | 6 mph WSW | 2% |
| Tuesday | 56°F | Mostly Sunny | 3 to 9 mph S | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Medicine Lake, MT
Last spring frost
May 16
First fall frost
Sep 18
Growing season
125 days
Hardiness zone
3b
Explore more for Medicine Lake, MT: full frost dates · planting calendar · Montana frost dates
Climate data from the nearest NOAA station, Medicine Lake 3 Se, Mt (4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.