Bainville, MT Weather Forecast

Local 7-day forecast

90°
F

Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms

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

Saturday, July 18, 2026
Wind: 9 to 15 mph SE
Saturday

A slight chance of rain showers before 3pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 90. Southeast wind 9 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.

Local 7-day forecast

Local Weather Overview

This forecast page for Bainville, 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: Jul 16, 2026 5:13 PM MDT.

The active forecast window currently covers Jul 18 to Jul 22, 2026 for Bainville, MT.

Page Snapshot

Page focus
city weather
Forecast window
Jul 18 to Jul 22, 2026
Latest sync
Jul 16, 2026 5:13 PM MDT
Forecast office
GGW
Source
NOAA / NWS
Next High
90°F
Saturday
Next Low
64°F
Saturday Night
Rain Outlook
2
Periods mentioning precipitation
Windiest
7 to 21 mph
Monday

Daily Outlook

Today
Jul 18
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
90 °F
/ 64°F
Wind 9 to 15 mph
Sun
Jul 19
Sunny
95 °F
/ 61°F
Wind 5 to 17 mph
Mon
Jul 20
Sunny
84 °F
/ 57°F
Wind 7 to 21 mph
Tue
Jul 21
Mostly Sunny
81 °F
/ 57°F
Wind 8 mph
Wed
Jul 22
Mostly Sunny
84 °F
/ 59°F
Wind 5 to 8 mph

This Week in Bainville

Sunday looks like the warmest upcoming period in Bainville at 95 degrees F.

Monday Night is the coolest period ahead with temperatures near 57 degrees F.

The strongest winds are forecast for Monday at about 7 to 21 mph NW.

Precipitation is mentioned in 2 upcoming forecast periods.

Forecast Details

Last updated
Jul 16, 2026 5:13 PM MDT
Coverage
6 days
Time zone
America/Denver
Forecast office
GGW
Radar station
KGGW

Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.

Open NOAA source

Extended Forecast

Saturday Night
Jul 18
64°F
Chance Showers And Thunderstorms
8 to 14 mph SE

A chance of showers and thunderstorms before 9pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 64. Southeast wind 8 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.

Sunday
Jul 19
95°F
Sunny
5 to 17 mph W

Sunny, with a high near 95. West wind 5 to 17 mph, with gusts as high as 29 mph.

Sunday Night
Jul 19
61°F
Mostly Clear
6 to 15 mph NNW

Mostly clear, with a low around 61. North northwest wind 6 to 15 mph, with gusts as high as 25 mph.

Monday
Jul 20
84°F
Sunny
7 to 21 mph NW

Sunny, with a high near 84. Northwest wind 7 to 21 mph, with gusts as high as 33 mph.

Monday Night
Jul 20
57°F
Mostly Clear
7 to 18 mph NNE

Mostly clear, with a low around 57. North northeast wind 7 to 18 mph, with gusts as high as 29 mph.

Tuesday
Jul 21
81°F
Mostly Sunny
8 mph NE

Mostly sunny, with a high near 81. Northeast wind around 8 mph.

Tuesday Night
Jul 21
57°F
Partly Cloudy
6 to 9 mph E

Partly cloudy, with a low around 57.

Wednesday
Jul 22
84°F
Mostly Sunny
5 to 8 mph ESE

Mostly sunny, with a high near 84.

Wednesday Night
Jul 22
59°F
Partly Cloudy
6 to 9 mph E

Partly cloudy, with a low around 59.

Detailed Forecast

Period Conditions Temp Wind
Saturday
Jul 18
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
90°F
9 to 15 mph
SE
Saturday Night
Jul 18
Chance Showers And Thunderstorms
64°F
8 to 14 mph
SE
Sunday
Jul 19
Sunny
95°F
5 to 17 mph
W
Sunday Night
Jul 19
Mostly Clear
61°F
6 to 15 mph
NNW
Monday
Jul 20
Sunny
84°F
7 to 21 mph
NW
Monday Night
Jul 20
Mostly Clear
57°F
7 to 18 mph
NNE
Tuesday
Jul 21
Mostly Sunny
81°F
8 mph
NE
Tuesday Night
Jul 21
Partly Cloudy
57°F
6 to 9 mph
E
Wednesday
Jul 22
Mostly Sunny
84°F
5 to 8 mph
ESE
Wednesday Night
Jul 22
Partly Cloudy
59°F
6 to 9 mph
E
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.