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Corvallis MT Weather - Clear - 55°F
Clear
55°F
Updated 5:49 am
Feels Like 49°F
Humidity 54%
Wind SSW 13 mph
Barometer  30.1 in
Dew Point 39°F
Corvallis MT Weather - Clear - 13°C
Clear
13°C
Updated 5:49 am
Feels Like 10°C
Humidity 54%
Wind SSW 21 km/h
Barometer  101.9 kPa
Dew Point 4°C
Corvallis, MT Weather and Current Conditionscorvallis mt weather forecast

Corvallis, MT Weather Forecast

Corvallis Montana WeatherCorvallis, Montana Weather Weather Forecast
14 day API forecast for Corvallis, Montana. Note. The 7-day weather forecast for Corvallis, MT is the most reliable and accurate forecast. This model should only be used as a likely scenario. It is difficult to predict weather more than 7 days in advance.
Corvallis, MT Weather Forecast Dated: 549 AM Thu Sep 10 2026
Expect a cool pattern with plenty of sunshine and occasional showers over the coming period. moderate humidity and no major pressure swings will dominate.

Thursday, September 10, 2026

Mid-Morning
Corvallis Weather - 2026-09-10 - Morning - Sunny
62°F 17°C
Sunny
Mid-Afternoon
Corvallis Weather - 2026-09-10 - Afternoon - Overcast
75°F 24°C
Overcast
Early-Evening
Corvallis Weather - 2026-09-10 - Evening - Sunny
63°F 17°C
Sunny
Pleasant near 75°F 24°C, sunny in the morning, overcast in the afternoon, and cloudy this evening, with increasing humidity and barometric pressure falling. Winds turning from the SSW to the W at 8 mph 14 km/h.

Friday, September 11, 2026

Mid-Morning
Corvallis Weather - 2026-09-11 - Morning - Overcast
51°F 11°C
Overcast
Mid-Afternoon
Corvallis Weather - 2026-09-11 - Afternoon - Sunny
63°F 17°C
Sunny
Early-Evening
Corvallis Weather - 2026-09-11 - Evening - Overcast
56°F 14°C
Overcast
Mildly cool near 63°F 17°C, overcast in the morning, sunny in the afternoon, and overcast this evening, with lower humidity and steady pressure.

Saturday, September 12, 2026

Mid-Morning
Corvallis Weather - 2026-09-12 - Morning - Overcast
43°F 6°C
Overcast
Mid-Afternoon
Corvallis Weather - 2026-09-12 - Afternoon - Overcast
55°F 13°C
Overcast
Early-Evening
Corvallis Weather - 2026-09-12 - Evening - Overcast
51°F 11°C
Overcast
Chilly near 55°F 13°C, overcast throughout the day, with lower humidity and barometric pressure falling.

Sunday, September 13, 2026

Mid-Morning
Corvallis Weather - 2026-09-13 - Morning - Light Showers
36°F 2°C
Light Showers
Mid-Afternoon
Corvallis Weather - 2026-09-13 - Afternoon - Light Showers
38°F 4°C
Light Showers
Early-Evening
Corvallis Weather - 2026-09-13 - Evening - Scattered Showers
38°F 4°C
Scattered Showers
Nippy around 38°F 4°C, periods of heavy rain and gusty conditions, with steady humidity and barometric pressure rising.

Monday, September 14, 2026

Mid-Morning
Corvallis Weather - 2026-09-14 - Morning - Sunny
38°F 3°C
Sunny
Mid-Afternoon
Corvallis Weather - 2026-09-14 - Afternoon - Sunny
57°F 14°C
Sunny
Early-Evening
Corvallis Weather - 2026-09-14 - Evening - Sunny
50°F 10°C
Sunny
Brisk around 57°F 14°C, sunny throughout the day, with lower humidity and barometric pressure falling.

Tuesday, September 15, 2026

Mid-Morning
Corvallis Weather - 2026-09-15 - Morning - Sunny
45°F 7°C
Sunny
Mid-Afternoon
Corvallis Weather - 2026-09-15 - Afternoon - Cloudy
63°F 17°C
Cloudy
Early-Evening
Corvallis Weather - 2026-09-15 - Evening - Overcast
55°F 13°C
Overcast
Mildly cool near 63°F 17°C, sunny in the morning, overcast in the afternoon, and cloudy this evening, with lower humidity and steady pressure.

Wednesday, September 16, 2026

Mid-Morning
Corvallis Weather - 2026-09-16 - Morning - Partly Cloudy
43°F 6°C
Partly Cloudy
Mid-Afternoon
Corvallis Weather - 2026-09-16 - Afternoon - Sunny
62°F 17°C
Sunny
Early-Evening
Corvallis Weather - 2026-09-16 - Evening - Sunny
55°F 13°C
Sunny
Comfortable at 62°F 17°C, cloudy in the morning, becoming sunny through the afternoon and evening, with lower humidity and steady pressure.

Thursday, September 17, 2026

Mid-Morning
Corvallis Weather - 2026-09-17 - Morning - Sunny
49°F 10°C
Sunny
Mid-Afternoon
Corvallis Weather - 2026-09-17 - Afternoon - Sunny
74°F 24°C
Sunny
Early-Evening
Corvallis Weather - 2026-09-17 - Evening - Sunny
64°F 18°C
Sunny
Enjoyable around 74°F 24°C, sunny throughout the day, with lower humidity and steady pressure.

Friday, September 18, 2026

Mid-Morning
Corvallis Weather - 2026-09-18 - Morning - Sunny
57°F 14°C
Sunny
Mid-Afternoon
Corvallis Weather - 2026-09-18 - Afternoon - Sunny
77°F 25°C
Sunny
Early-Evening
Corvallis Weather - 2026-09-18 - Evening - Sunny
67°F 19°C
Sunny
Mild temperatures up to 77°F 25°C, sunny throughout the day, with steady humidity and barometric pressure falling.

Saturday, September 19, 2026

Mid-Morning
Corvallis Weather - 2026-09-19 - Morning - Sunny
59°F 15°C
Sunny
Mid-Afternoon
Corvallis Weather - 2026-09-19 - Afternoon - Nearby Thunderstorms
77°F 25°C
Nearby Thunderstorms
Early-Evening
Corvallis Weather - 2026-09-19 - Evening - Sunny
61°F 16°C
Sunny
Mild with a high of 77°F 25°C, periods of heavy thunderstorms, with lower humidity and steady pressure. Winds switching from the S to the WNW at 10 mph 15 km/h.

Sunday, September 20, 2026

Mid-Morning
Corvallis Weather - 2026-09-20 - Morning - Cloudy
48°F 9°C
Cloudy
Mid-Afternoon
Corvallis Weather - 2026-09-20 - Afternoon - Sunny
60°F 16°C
Sunny
Early-Evening
Corvallis Weather - 2026-09-20 - Evening - Sunny
50°F 11°C
Sunny
Comfortable at 60°F 16°C, overcast in the morning, becoming sunny through the afternoon and evening, with steady humidity and steady pressure. Winds moving from the WSW to the WNW at 9 mph 13 km/h.

Monday, September 21, 2026

Mid-Morning
Corvallis Weather - 2026-09-21 - Morning - Sunny
46°F 8°C
Sunny
Mid-Afternoon
Corvallis Weather - 2026-09-21 - Afternoon - Sunny
66°F 19°C
Sunny
Early-Evening
Corvallis Weather - 2026-09-21 - Evening - Sunny
58°F 14°C
Sunny
Cool with a high near 66°F 19°C, sunny throughout the day, with lower humidity and steady pressure.

Tuesday, September 22, 2026

Mid-Morning
Corvallis Weather - 2026-09-22 - Morning - Overcast
53°F 12°C
Overcast
Mid-Afternoon
Corvallis Weather - 2026-09-22 - Afternoon - Overcast
76°F 24°C
Overcast
Early-Evening
Corvallis Weather - 2026-09-22 - Evening - Sunny
64°F 18°C
Sunny
Enjoyable around 76°F 24°C, overcast through the afternoon, turning sunny this evening, with lower humidity and barometric pressure falling.

Wednesday, September 23, 2026

Mid-Morning
Corvallis Weather - 2026-09-23 - Morning - Sunny
56°F 13°C
Sunny
Mid-Afternoon
Corvallis Weather - 2026-09-23 - Afternoon - Sunny
78°F 26°C
Sunny
Early-Evening
Corvallis Weather - 2026-09-23 - Evening - Sunny
67°F 19°C
Sunny
Mild temperatures up to 78°F 26°C, partly cloudy in the morning, becoming sunny through the afternoon and evening, with lower humidity and barometric pressure falling.

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Weather by the Numbers

Thu, 10th
Corvallis MT Weather - Thursday, Sep 10, 2026 - Partly Cloudy
Hi: 75°F 24°C
Lo: 54°F 12°C
Sunrise 07:09 AM
Sunset 07:58 PM
Wind SW 6 mph10 km/h
Dew Point 29°F-1°C
uv Index 5
Barometric Pressure 29.85 in1011 mb
POP 2% *
Humidity 20%
Fri, 11th
Corvallis MT Weather - Friday, Sep 11, 2026 - Sunny
Hi: 63°F 17°C
Lo: 46°F 8°C
Sunrise 07:10 AM
Sunset 07:56 PM
Wind W 4 mph6 km/h
Dew Point 28°F-2°C
uv Index 4
Barometric Pressure 29.85 in1011 mb
POP 1% *
Humidity 29%
Sat, 12th
Corvallis MT Weather - Saturday, Sep 12, 2026 - Overcast
Hi: 56°F 14°C
Lo: 39°F 4°C
Sunrise 07:11 AM
Sunset 07:54 PM
Wind NE 4 mph6 km/h
Dew Point 37°F3°C
uv Index 3
Barometric Pressure 29.91 in1013 mb
POP 17% *
Humidity 66%
Sun, 13th
Corvallis MT Weather - Sunday, Sep 13, 2026 - Light Rain Shower
Hi: 40°F 5°C
Lo: 35°F 2°C
Sunrise 07:13 AM
Sunset 07:52 PM
Wind ENE 4 mph6 km/h
Dew Point 37°F3°C
uv Index 1
Barometric Pressure 30.09 in1019 mb
POP 70% *
Humidity 99%
Mon, 14th
Corvallis MT Weather - Monday, Sep 14, 2026 - Sunny
Hi: 57°F 14°C
Lo: 30°F -1°C
Sunrise 07:14 AM
Sunset 07:50 PM
Wind S 4 mph6 km/h
Dew Point 38°F3°C
uv Index 4
Barometric Pressure 30.03 in1017 mb
POP 4% *
Humidity 60%
Tue, 15th
Corvallis MT Weather - Tuesday, Sep 15, 2026 - Partly Cloudy
Hi: 63°F 17°C
Lo: 39°F 4°C
Sunrise 07:15 AM
Sunset 07:48 PM
Wind ESE 3 mph5 km/h
Dew Point 38°F3°C
uv Index 4
Barometric Pressure 29.94 in1014 mb
POP 5% *
Humidity 49%
Wed, 16th
Corvallis MT Weather - Wednesday, Sep 16, 2026 - Overcast
Hi: 62°F 17°C
Lo: 39°F 4°C
Sunrise 07:16 AM
Sunset 07:46 PM
Wind ENE 4 mph6 km/h
Dew Point 40°F4°C
uv Index 3
Barometric Pressure 30.09 in1019 mb
POP 14% *
Humidity 58%
Thu, 17th
Corvallis MT Weather - Thursday, Sep 17, 2026 - Sunny
Hi: 74°F 24°C
Lo: 42°F 5°C
Sunrise 07:18 AM
Sunset 07:44 PM
Wind ESE 3 mph5 km/h
Dew Point 41°F5°C
uv Index 5
Barometric Pressure 30.18 in1022 mb
POP 1% *
Humidity 40%
Fri, 18th
Corvallis MT Weather - Friday, Sep 18, 2026 - Sunny
Hi: 77°F 25°C
Lo: 49°F 9°C
Sunrise 07:19 AM
Sunset 07:42 PM
Wind ESE 3 mph5 km/h
Dew Point 37°F3°C
uv Index 6
Barometric Pressure 30.12 in1020 mb
POP 1% *
Humidity 30%
Sat, 19th
Corvallis MT Weather - Saturday, Sep 19, 2026 - Sunny
Hi: 77°F 25°C
Lo: 49°F 9°C
Sunrise 07:20 AM
Sunset 07:40 PM
Wind S 5 mph9 km/h
Dew Point 47°F8°C
uv Index 6
Barometric Pressure 29.83 in1010 mb
POP 1% *
Humidity 38%
Sun, 20th
Corvallis MT Weather - Sunday, Sep 20, 2026 - Sunny
Hi: 60°F 16°C
Lo: 43°F 6°C
Sunrise 07:21 AM
Sunset 07:38 PM
Wind W 7 mph11 km/h
Dew Point 28°F-2°C
uv Index 4
Barometric Pressure 29.94 in1014 mb
POP 1% *
Humidity 34%
Mon, 21st
Corvallis MT Weather - Monday, Sep 21, 2026 - Sunny
Hi: 66°F 19°C
Lo: 39°F 4°C
Sunrise 07:23 AM
Sunset 07:36 PM
Wind ESE 4 mph6 km/h
Dew Point 35°F1°C
uv Index 4
Barometric Pressure 30.21 in1023 mb
POP 1% *
Humidity 42%
Tue, 22nd
Corvallis MT Weather - Tuesday, Sep 22, 2026 - Sunny
Hi: 76°F 24°C
Lo: 46°F 8°C
Sunrise 07:24 AM
Sunset 07:34 PM
Wind SE 4 mph6 km/h
Dew Point 34°F1°C
uv Index 6
Barometric Pressure 30.15 in1021 mb
POP 1% *
Humidity 28%
Wed, 23rd
Corvallis MT Weather - Wednesday, Sep 23, 2026 - Sunny
Hi: 78°F 26°C
Lo: 50°F 10°C
Sunrise 07:25 AM
Sunset 07:32 PM
Wind SSE 4 mph7 km/h
Dew Point 34°F1°C
uv Index 6
Barometric Pressure 30.03 in1017 mb
POP 1% *
Humidity 25%
* POP = Probability of Precipitation. Data for 12:00 PM.