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Westby MT Weather - Mostly Cloudy - 55°F
Mostly Cloudy
55°F
Updated 11:54 am
Feels Like 47°F
Humidity 58%
Wind NNW 9 mph
Barometer  30.13 in
Dew Point 41°F
Westby MT Weather - Mostly Cloudy - 13°C
Mostly Cloudy
13°C
Updated 11:54 am
Feels Like 8°C
Humidity 58%
Wind NNW 14 km/h
Barometer  102 kPa
Dew Point 5°C
Westby, MT Weather and Current Conditionswestby mt weather forecast

Westby, MT Weather Forecast

Westby Montana WeatherWestby, Montana Weather Weather Forecast
14 day API weather forecast for Westby, Montana. Note: The 7-day weather forecast for Westby, MT is the most reliable and accurate weather forecast. This model should only be used as a likely scenario. It is difficult to predict weather more than 7 days ahead.
Westby, MT Weather Forecast Dated: 1154 AM Sat Sep 12 2026
Expect a cool pattern with a mix of sun and clouds and mostly dry weather over the coming period. comfortable humidity and no major pressure swings will dominate.

Saturday, September 12, 2026

Mid-Morning
Westby Weather - 2026-09-12 - Morning - Overcast
48°F 9°C
Overcast
Mid-Afternoon
Westby Weather - 2026-09-12 - Afternoon - Overcast
51°F 11°C
Overcast
Early-Evening
Westby Weather - 2026-09-12 - Evening - Cloudy
51°F 11°C
Cloudy
Brisk around 51°F 11°C, overcast through the afternoon, turning cloudy this evening, with lower humidity and steady pressure. Winds turning from the NW to the NE at 8 mph 12 km/h.

Sunday, September 13, 2026

Mid-Morning
Westby Weather - 2026-09-13 - Morning - Sunny
47°F 8°C
Sunny
Mid-Afternoon
Westby Weather - 2026-09-13 - Afternoon - Partly Cloudy
58°F 14°C
Partly Cloudy
Early-Evening
Westby Weather - 2026-09-13 - Evening - Cloudy
57°F 14°C
Cloudy
Mildly cool near 58°F 14°C, sunny in the morning, becoming cloudy through the afternoon and evening, with lower humidity and barometric pressure falling. Winds building from ESE at 5 mph 9 km/h to ESE at 16 mph 26 km/h. Gusts up to 28 mph 46 km/h.

Monday, September 14, 2026

Mid-Morning
Westby Weather - 2026-09-14 - Morning - Cloudy
54°F 12°C
Cloudy
Mid-Afternoon
Westby Weather - 2026-09-14 - Afternoon - Scattered Showers
52°F 11°C
Scattered Showers
Early-Evening
Westby Weather - 2026-09-14 - Evening - Scattered Showers
51°F 11°C
Scattered Showers
Chilly near 52°F 11°C, locally heavy downpours at times, with steady humidity and barometric pressure rising. Winds moving from the WSW to the WNW at 19 mph 30 km/h. Gusts up to 34 mph 54 km/h.

Tuesday, September 15, 2026

Mid-Morning
Westby Weather - 2026-09-15 - Morning - Overcast
43°F 6°C
Overcast
Mid-Afternoon
Westby Weather - 2026-09-15 - Afternoon - Overcast
52°F 11°C
Overcast
Early-Evening
Westby Weather - 2026-09-15 - Evening - Overcast
52°F 11°C
Overcast
Crisp with a high near 52°F 11°C, overcast throughout the day, with lower humidity and steady pressure. Winds swinging from the WNW to the ENE at 6 mph 10 km/h.

Wednesday, September 16, 2026

Mid-Morning
Westby Weather - 2026-09-16 - Morning - Light Showers
43°F 6°C
Light Showers
Mid-Afternoon
Westby Weather - 2026-09-16 - Afternoon - Sunny
59°F 15°C
Sunny
Early-Evening
Westby Weather - 2026-09-16 - Evening - Sunny
62°F 17°C
Sunny
Refreshing around 59°F 15°C, scattered morning showers before drying out later, with steady humidity and barometric pressure falling. Winds tapering down from ENE 17 mph 27 km/h to NE 4 mph 5 km/h.

Thursday, September 17, 2026

Mid-Morning
Westby Weather - 2026-09-17 - Morning - Sunny
55°F 13°C
Sunny
Mid-Afternoon
Westby Weather - 2026-09-17 - Afternoon - Sunny
68°F 20°C
Sunny
Early-Evening
Westby Weather - 2026-09-17 - Evening - Sunny
66°F 19°C
Sunny
Pleasant near 68°F 20°C, sunny throughout the day, with steady humidity and steady pressure. Winds turning from the ESE to the W at 5 mph 8 km/h.

Friday, September 18, 2026

Mid-Morning
Westby Weather - 2026-09-18 - Morning - Sunny
53°F 12°C
Sunny
Mid-Afternoon
Westby Weather - 2026-09-18 - Afternoon - Sunny
66°F 19°C
Sunny
Early-Evening
Westby Weather - 2026-09-18 - Evening - Sunny
66°F 19°C
Sunny
Comfortable at 66°F 19°C, sunny throughout the day, with lower humidity and steady pressure.

Saturday, September 19, 2026

Mid-Morning
Westby Weather - 2026-09-19 - Morning - Sunny
55°F 13°C
Sunny
Mid-Afternoon
Westby Weather - 2026-09-19 - Afternoon - Sunny
70°F 21°C
Sunny
Early-Evening
Westby Weather - 2026-09-19 - Evening - Sunny
70°F 21°C
Sunny
Enjoyable around 70°F 21°C, sunny throughout the day, with lower humidity and barometric pressure falling.

Sunday, September 20, 2026

Mid-Morning
Westby Weather - 2026-09-20 - Morning - Sunny
59°F 15°C
Sunny
Mid-Afternoon
Westby Weather - 2026-09-20 - Afternoon - Sunny
77°F 25°C
Sunny
Early-Evening
Westby Weather - 2026-09-20 - Evening - Sunny
82°F 28°C
Sunny
Mild temperatures up to 77°F 25°C, sunny throughout the day, with lower humidity and barometric pressure falling. Winds switching from the SSE to the SW at 7 mph 11 km/h.

Monday, September 21, 2026

Mid-Morning
Westby Weather - 2026-09-21 - Morning - Sunny
60°F 15°C
Sunny
Mid-Afternoon
Westby Weather - 2026-09-21 - Afternoon - Sunny
73°F 23°C
Sunny
Early-Evening
Westby Weather - 2026-09-21 - Evening - Cloudy
72°F 23°C
Cloudy
Mild with a high of 73°F 23°C, sunny through the afternoon, turning overcast this evening, with lower humidity and steady pressure. Winds moving from the NNW to the S at 5 mph 8 km/h.

Tuesday, September 22, 2026

Mid-Morning
Westby Weather - 2026-09-22 - Morning - Overcast
52°F 11°C
Overcast
Mid-Afternoon
Westby Weather - 2026-09-22 - Afternoon - Partly Cloudy
63°F 17°C
Partly Cloudy
Early-Evening
Westby Weather - 2026-09-22 - Evening - Cloudy
60°F 16°C
Cloudy
Comfortable at 63°F 17°C, overcast in the morning, partly cloudy in the afternoon, and cloudy this evening, with lower humidity and steady pressure. Winds swinging from the NW to the NNW at 13 mph 20 km/h. Gusts up to 23 mph 37 km/h.

Wednesday, September 23, 2026

Mid-Morning
Westby Weather - 2026-09-23 - Morning - Cloudy
47°F 9°C
Cloudy
Mid-Afternoon
Westby Weather - 2026-09-23 - Afternoon - Overcast
55°F 13°C
Overcast
Early-Evening
Westby Weather - 2026-09-23 - Evening - Partly Cloudy
51°F 11°C
Partly Cloudy
Crisp with a high near 55°F 13°C, cloudy in the morning, overcast in the afternoon, and cloudy this evening, with steady humidity and steady pressure. Winds shifting from the NNW to the E at 8 mph 12 km/h.

Thursday, September 24, 2026

Mid-Morning
Westby Weather - 2026-09-24 - Morning - Overcast
47°F 8°C
Overcast
Mid-Afternoon
Westby Weather - 2026-09-24 - Afternoon - Sunny
69°F 20°C
Sunny
Early-Evening
Westby Weather - 2026-09-24 - Evening - Overcast
71°F 22°C
Overcast
Enjoyable around 69°F 20°C, overcast in the morning, sunny in the afternoon, and cloudy this evening, with steady humidity and barometric pressure falling. Winds tapering down from SE 17 mph 27 km/h to NNE 8 mph 13 km/h.

Friday, September 25, 2026

Mid-Morning
Westby Weather - 2026-09-25 - Morning - Overcast
42°F 6°C
Overcast
Mid-Afternoon
Westby Weather - 2026-09-25 - Afternoon - Overcast
51°F 11°C
Overcast
Early-Evening
Westby Weather - 2026-09-25 - Evening - Overcast
51°F 10°C
Overcast
Cool and brisk at 51°F 11°C, overcast throughout the day, with lower humidity and steady pressure. Winds decreasing from N 15 mph 24 km/h to ENE 7 mph 11 km/h.

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Weather by the Numbers

Sat, 12th
Westby MT Weather - Saturday, Sep 12, 2026 - Overcast
Hi: 56°F 13°C
Lo: 42°F 6°C
Sunrise 06:29 AM
Sunset 07:16 PM
Wind NW 11 mph17 km/h
Dew Point 40°F4°C
uv Index 3
Barometric Pressure 30.09 in1019 mb
POP 14% *
Humidity 58%
Sun, 13th
Westby MT Weather - Sunday, Sep 13, 2026 - Sunny
Hi: 59°F 15°C
Lo: 44°F 7°C
Sunrise 06:31 AM
Sunset 07:14 PM
Wind SE 11 mph17 km/h
Dew Point 26°F-3°C
uv Index 4
Barometric Pressure 30.12 in1020 mb
POP 1% *
Humidity 36%
Mon, 14th
Westby MT Weather - Monday, Sep 14, 2026 - Overcast
Hi: 56°F 14°C
Lo: 47°F 8°C
Sunrise 06:32 AM
Sunset 07:11 PM
Wind WSW 25 mph40 km/h
Dew Point 33°F1°C
uv Index 3
Barometric Pressure 29.59 in1002 mb
POP 9% *
Humidity 41%
Tue, 15th
Westby MT Weather - Tuesday, Sep 15, 2026 - Overcast
Hi: 52°F 11°C
Lo: 38°F 3°C
Sunrise 06:33 AM
Sunset 07:09 PM
Wind WNW 8 mph13 km/h
Dew Point 27°F-3°C
uv Index 2
Barometric Pressure 30.15 in1021 mb
POP 10% *
Humidity 42%
Wed, 16th
Westby MT Weather - Wednesday, Sep 16, 2026 - Overcast
Hi: 65°F 18°C
Lo: 42°F 6°C
Sunrise 06:35 AM
Sunset 07:07 PM
Wind SSE 6 mph10 km/h
Dew Point 38°F3°C
uv Index 3
Barometric Pressure 30.21 in1023 mb
POP 13% *
Humidity 54%
Thu, 17th
Westby MT Weather - Thursday, Sep 17, 2026 - Sunny
Hi: 68°F 20°C
Lo: 55°F 13°C
Sunrise 06:36 AM
Sunset 07:05 PM
Wind SE 8 mph12 km/h
Dew Point 38°F3°C
uv Index 5
Barometric Pressure 30.21 in1023 mb
POP 1% *
Humidity 38%
Fri, 18th
Westby MT Weather - Friday, Sep 18, 2026 - Sunny
Hi: 68°F 20°C
Lo: 53°F 12°C
Sunrise 06:38 AM
Sunset 07:03 PM
Wind SSW 2 mph4 km/h
Dew Point 36°F2°C
uv Index 5
Barometric Pressure 30.18 in1022 mb
POP 1% *
Humidity 37%
Sat, 19th
Westby MT Weather - Saturday, Sep 19, 2026 - Sunny
Hi: 71°F 22°C
Lo: 55°F 13°C
Sunrise 06:39 AM
Sunset 07:01 PM
Wind SSE 7 mph11 km/h
Dew Point 37°F3°C
uv Index 5
Barometric Pressure 30.15 in1021 mb
POP 1% *
Humidity 34%
Sun, 20th
Westby MT Weather - Sunday, Sep 20, 2026 - Sunny
Hi: 86°F 30°C
Lo: 59°F 15°C
Sunrise 06:41 AM
Sunset 06:59 PM
Wind SSE 15 mph24 km/h
Dew Point 42°F5°C
uv Index 6
Barometric Pressure 29.88 in1012 mb
POP 1% *
Humidity 34%
Mon, 21st
Westby MT Weather - Monday, Sep 21, 2026 - Sunny
Hi: 73°F 23°C
Lo: 60°F 15°C
Sunrise 06:42 AM
Sunset 06:56 PM
Wind NNW 11 mph18 km/h
Dew Point 34°F1°C
uv Index 6
Barometric Pressure 29.91 in1013 mb
POP 1% *
Humidity 28%
Tue, 22nd
Westby MT Weather - Tuesday, Sep 22, 2026 - Overcast
Hi: 71°F 22°C
Lo: 52°F 11°C
Sunrise 06:43 AM
Sunset 06:54 PM
Wind NW 18 mph29 km/h
Dew Point 29°F-2°C
uv Index 4
Barometric Pressure 29.94 in1014 mb
POP 10% *
Humidity 31%
Wed, 23rd
Westby MT Weather - Wednesday, Sep 23, 2026 - Partly Cloudy
Hi: 58°F 14°C
Lo: 47°F 8°C
Sunrise 06:45 AM
Sunset 06:52 PM
Wind NNW 13 mph21 km/h
Dew Point 27°F-3°C
uv Index 4
Barometric Pressure 30.24 in1024 mb
POP 4% *
Humidity 37%
Thu, 24th
Westby MT Weather - Thursday, Sep 24, 2026 - Sunny
Hi: 74°F 23°C
Lo: 47°F 8°C
Sunrise 06:46 AM
Sunset 06:50 PM
Wind SSE 16 mph26 km/h
Dew Point 30°F-1°C
uv Index 5
Barometric Pressure 29.71 in1006 mb
POP 1% *
Humidity 32%
Fri, 25th
Westby MT Weather - Friday, Sep 25, 2026 - Overcast
Hi: 52°F 11°C
Lo: 41°F 5°C
Sunrise 06:48 AM
Sunset 06:48 PM
Wind N 11 mph18 km/h
Dew Point 24°F-5°C
uv Index 2
Barometric Pressure 30.33 in1027 mb
POP 10% *
Humidity 41%
* POP = Probability of Precipitation. Data for 12:00 PM.