Frazer, MT Weather & Growing Conditions
Tonight
55°F
Mostly Cloudy then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 3am. Mostly cloudy, with a low around 55. Northeast wind around 14 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 55°F | Mostly Cloudy then Slight Chance Showers And Thunderstorms | 14 mph NE | 20% |
| Saturday | 67°F | Chance Rain Showers | 13 to 16 mph ENE | 49% |
| Saturday Night | 52°F | Rain Showers Likely | 13 mph ENE | 61% |
| Sunday | 63°F | Rain Showers Likely | 14 mph E | 61% |
| Sunday Night | 50°F | Mostly Cloudy | 8 to 12 mph ESE | 6% |
| Monday | 71°F | Mostly Sunny | 8 to 14 mph SE | 2% |
| Monday Night | 52°F | Mostly Clear | 10 to 14 mph SE | 0% |
| Tuesday | 78°F | Sunny | 9 mph SSE | 0% |
| Tuesday Night | 53°F | Mostly Clear | 7 mph SE | 1% |
| Wednesday | 80°F | Sunny | 7 mph SSE | 6% |
| Wednesday Night | 54°F | Mostly Clear | 6 mph SE | 4% |
| Thursday | 81°F | Sunny | 6 to 9 mph SE | 2% |
| Thursday Night | 56°F | Mostly Clear | 9 mph SE | 4% |
| Friday | 81°F | Mostly Sunny | 12 mph SE | 2% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Frazer, MT
Last spring frost
May 8
First fall frost
Oct 1
Growing season
145 days
Hardiness zone
4a
Explore more for Frazer, MT: full frost dates · planting calendar · Montana frost dates
Climate data from the nearest NOAA station, Ft Peck Pwr Plt, Mt (11.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.