Augusta, MT Weather Forecast

Local 7-day forecast

58°
F

Slight Chance Rain Showers then Mostly Sunny

Track current conditions, temperature changes, wind, and the full daily outlook for Augusta, MT in one place.

Wednesday, September 16, 2026
Wind: 6 mph NNE
Wednesday

A slight chance of rain showers before noon. Mostly sunny, with a high near 58. North northeast wind around 6 mph. Chance of precipitation is 20%.

Local 7-day forecast

Local Weather Overview

This forecast page for Augusta, 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 9:14 PM MDT.

The active forecast window currently covers Sep 16 to Sep 21, 2026 for Augusta, MT.

Page Snapshot

Page focus
city weather
Forecast window
Sep 16 to Sep 21, 2026
Latest sync
Sep 14, 2026 9:14 PM MDT
Forecast office
TFX
Source
NOAA / NWS
Next High
58°F
Wednesday
Next Low
44°F
Wednesday Night
Rain Outlook
5
Periods mentioning precipitation
Windiest
6 mph
Wednesday

Daily Outlook

Today
Sep 16
Slight Chance Rain Showers then Mostly Sunny
58 °F
/ 44°F
Wind 6 mph
Thu
Sep 17
Sunny
72 °F
/ 52°F
Wind 5 mph
Fri
Sep 18
Chance Rain Showers
69 °F
/ 51°F
Wind 1 to 5 mph
Sat
Sep 19
Slight Chance Rain Showers
70 °F
/ 49°F
Wind 6 mph
Sun
Sep 20
Sunny
70 °F
/ 48°F
Wind 5 mph
Mon
Sep 21
Sunny
73 °F
Wind 6 mph

This Week in Augusta

Monday looks like the warmest upcoming period in Augusta at 73 degrees F.

Wednesday Night is the coolest period ahead with temperatures near 44 degrees F.

The strongest winds are forecast for Wednesday at about 6 mph NNE.

Precipitation is mentioned in 5 upcoming forecast periods.

Forecast Details

Last updated
Sep 14, 2026 9:14 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 source

Extended Forecast

Wednesday Night
Sep 16
44°F
Mostly Clear
1 to 5 mph SSE

Mostly clear, with a low around 44. South southeast wind 1 to 5 mph.

Thursday
Sep 17
72°F
Sunny
5 mph ESE

Sunny, with a high near 72. East southeast wind around 5 mph.

Thursday Night
Sep 17
52°F
Chance Rain Showers
1 to 5 mph NW

A chance of rain showers. Mostly cloudy, with a low around 52. Northwest wind 1 to 5 mph.

Friday
Sep 18
69°F
Chance Rain Showers
1 to 5 mph N

A chance of rain showers before noon, then a chance of showers and thunderstorms. Partly sunny, with a high near 69. North wind 1 to 5 mph.

Friday Night
Sep 18
51°F
Chance Rain Showers
5 mph WNW

A chance of rain showers. Mostly cloudy, with a low around 51.

Saturday
Sep 19
70°F
Slight Chance Rain Showers
6 mph WSW

A slight chance of rain showers. Mostly sunny, with a high near 70.

Saturday Night
Sep 19
49°F
Partly Cloudy
6 mph W

Partly cloudy, with a low around 49.

Sunday
Sep 20
70°F
Sunny
5 mph S

Sunny, with a high near 70.

Sunday Night
Sep 20
48°F
Partly Cloudy
5 mph S

Partly cloudy, with a low around 48.

Monday
Sep 21
73°F
Sunny
6 mph SW

Sunny, with a high near 73.

Detailed Forecast

Period Conditions Temp Wind
Wednesday
Sep 16
Slight Chance Rain Showers then Mostly Sunny
58°F
6 mph
NNE
Wednesday Night
Sep 16
Mostly Clear
44°F
1 to 5 mph
SSE
Thursday
Sep 17
Sunny
72°F
5 mph
ESE
Thursday Night
Sep 17
Chance Rain Showers
52°F
1 to 5 mph
NW
Friday
Sep 18
Chance Rain Showers
69°F
1 to 5 mph
N
Friday Night
Sep 18
Chance Rain Showers
51°F
5 mph
WNW
Saturday
Sep 19
Slight Chance Rain Showers
70°F
6 mph
WSW
Saturday Night
Sep 19
Partly Cloudy
49°F
6 mph
W
Sunday
Sep 20
Sunny
70°F
5 mph
S
Sunday Night
Sep 20
Partly Cloudy
48°F
5 mph
S
Monday
Sep 21
Sunny
73°F
6 mph
SW
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.