Medicine Lake, MT Weather & Growing Conditions
Today
69°F
Mostly Cloudy
Mostly cloudy, with a high near 69. East northeast wind around 17 mph, with gusts as high as 26 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 69°F | Mostly Cloudy | 17 mph ENE | 1% |
| Tonight | 50°F | Mostly Cloudy then Slight Chance Rain Showers | 10 to 15 mph E | 19% |
| Sunday | 64°F | Slight Chance Rain Showers then Mostly Cloudy | 13 mph ESE | 18% |
| Sunday Night | 47°F | Partly Cloudy | 6 to 9 mph SE | 0% |
| Monday | 72°F | Mostly Sunny | 5 to 17 mph SSE | 2% |
| Monday Night | 51°F | Mostly Clear | 12 to 15 mph SSE | 1% |
| Tuesday | 77°F | Mostly Sunny | 12 to 17 mph SSE | 2% |
| Tuesday Night | 53°F | Mostly Clear | 8 to 15 mph SSE | 2% |
| Wednesday | 80°F | Mostly Sunny | 7 to 10 mph SSE | 5% |
| Wednesday Night | 54°F | Partly Cloudy | 5 to 8 mph SE | 11% |
| Thursday | 83°F | Mostly Sunny | 5 to 12 mph SSE | 2% |
| Thursday Night | 55°F | Mostly Clear | 9 mph SE | 4% |
| Friday | 81°F | Mostly Sunny | 8 to 18 mph SE | 3% |
| Friday Night | 54°F | Partly Cloudy | 15 to 18 mph SE | 9% |
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 Sep 19, 2026.