Greenfield, MT Weather Forecast
Local 7-day forecast
Slight Chance Rain Showers then Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Greenfield, MT in one place.
A slight chance of rain showers before noon. Mostly sunny, with a high near 58. North northeast wind 3 to 12 mph. Chance of precipitation is 20%.
Local Weather Overview
This forecast page for Greenfield, MT is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Sep 14, 2026 9:22 PM MDT.
The active forecast window currently covers Sep 16 to Sep 21, 2026 for Greenfield, MT.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 16 to Sep 21, 2026
- Latest sync
- Sep 14, 2026 9:22 PM MDT
- Forecast office
- TFX
- Source
- NOAA / NWS
Daily Outlook
This Week in Greenfield
Monday looks like the warmest upcoming period in Greenfield at 72 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 42 degrees F.
The strongest winds are forecast for Wednesday at about 3 to 12 mph NNE.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 14, 2026 9:22 PM MDT
- Coverage
- 6 days
- Time zone
- America/Denver
- Forecast office
- TFX
- Radar station
- KTFX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear, with a low around 42. South southeast wind around 5 mph.
Sunny, with a high near 71. South southeast wind around 6 mph.
A chance of rain showers. Mostly cloudy, with a low around 49. North northwest wind 3 to 8 mph.
A chance of rain showers before noon, then a chance of showers and thunderstorms. Partly sunny, with a high near 68. Northwest wind around 5 mph.
A chance of rain showers. Mostly cloudy, with a low around 48.
A slight chance of rain showers before noon. Mostly sunny, with a high near 69.
Mostly clear, with a low around 47.
Mostly sunny, with a high near 69.
Mostly clear, with a low around 46.
Sunny, with a high near 72.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Sep 16
|
Slight Chance Rain Showers then Mostly Sunny
|
58°F |
3 to 12 mph
NNE
|
|
Wednesday Night
Sep 16
|
Mostly Clear
|
42°F |
5 mph
SSE
|
|
Thursday
Sep 17
|
Sunny
|
71°F |
6 mph
SSE
|
|
Thursday Night
Sep 17
|
Chance Rain Showers
|
49°F |
3 to 8 mph
NNW
|
|
Friday
Sep 18
|
Chance Rain Showers
|
68°F |
5 mph
NW
|
|
Friday Night
Sep 18
|
Chance Rain Showers
|
48°F |
5 mph
W
|
|
Saturday
Sep 19
|
Slight Chance Rain Showers then Mostly Sunny
|
69°F |
8 mph
WSW
|
|
Saturday Night
Sep 19
|
Mostly Clear
|
47°F |
6 mph
W
|
|
Sunday
Sep 20
|
Mostly Sunny
|
69°F |
6 mph
SW
|
|
Sunday Night
Sep 20
|
Mostly Clear
|
46°F |
6 mph
SE
|
|
Monday
Sep 21
|
Sunny
|
72°F |
6 to 9 mph
SSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Greenfield.