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Acton MT Weather - Clear - 52°F
Clear
52°F
Updated 2:46 am
Feels Like 49°F
Humidity 63%
Wind SSW 10 mph
Barometer  30.27 in
Dew Point 40°F
Acton MT Weather - Clear - 11°C
Clear
11°C
Updated 2:46 am
Feels Like 10°C
Humidity 63%
Wind SSW 16 km/h
Barometer  102.5 kPa
Dew Point 4°C
Acton, MT Weather and Current Conditionsacton mt weather forecast

Acton, MT Weather Forecast

Acton Montana WeatherActon, Montana Weather Weather Forecast
Here is the API 14 day weather forecast for Acton, Montana. Note: The 7-day weather forecast for Acton, MT is the most reliable and accurate weather forecast. This template should only be used as a probable scenario. Forecasting weather beyond the next 7 days is a challenge.
Acton, MT Weather Forecast Dated: 246 AM Wed Sep 09 2026
Expect a cool pattern with more clouds than sun and mostly dry weather over the coming period. moderate humidity and no major pressure swings will dominate.

Wednesday, September 9, 2026

Mid-Morning
Acton Weather - 2026-09-09 - Morning - Scattered Showers
57°F 14°C
Scattered Showers
Mid-Afternoon
Acton Weather - 2026-09-09 - Afternoon - Partly Cloudy
82°F 28°C
Partly Cloudy
Early-Evening
Acton Weather - 2026-09-09 - Evening - Sunny
73°F 23°C
Sunny
Warm and summery near 82°F 28°C, periods of heavy rain and gusty conditions, with lower humidity and barometric pressure falling. Winds turning from the WSW to the NNE at 9 mph 15 km/h.

Thursday, September 10, 2026

Mid-Morning
Acton Weather - 2026-09-10 - Morning - Overcast
67°F 20°C
Overcast
Mid-Afternoon
Acton Weather - 2026-09-10 - Afternoon - Sunny
89°F 31°C
Sunny
Early-Evening
Acton Weather - 2026-09-10 - Evening - Sunny
81°F 28°C
Sunny
Balmy with temperatures reaching 89°F 31°C, overcast in the morning, becoming sunny through the afternoon and evening, with steady humidity and barometric pressure falling. Winds switching from the WSW to the SW at 9 mph 14 km/h.

Friday, September 11, 2026

Mid-Morning
Acton Weather - 2026-09-11 - Morning - Overcast
66°F 19°C
Overcast
Mid-Afternoon
Acton Weather - 2026-09-11 - Afternoon - Sunny
74°F 24°C
Sunny
Early-Evening
Acton Weather - 2026-09-11 - Evening - Overcast
61°F 16°C
Overcast
Enjoyable around 74°F 24°C, overcast in the morning, sunny in the afternoon, and cloudy this evening, with steady humidity and barometric pressure rising. Winds moving from the WNW to the ENE at 19 mph 30 km/h. Gusts up to 25 mph 40 km/h.

Saturday, September 12, 2026

Mid-Morning
Acton Weather - 2026-09-12 - Morning - Sunny
51°F 11°C
Sunny
Mid-Afternoon
Acton Weather - 2026-09-12 - Afternoon - Overcast
66°F 19°C
Overcast
Early-Evening
Acton Weather - 2026-09-12 - Evening - Scattered Showers
62°F 17°C
Scattered Showers
Cool with a high near 66°F 19°C, periods of heavy rain and gusty conditions, with lower humidity and barometric pressure falling. Winds swinging from the ENE to the NE at 15 mph 24 km/h. Gusts up to 21 mph 33 km/h.

Sunday, September 13, 2026

Mid-Morning
Acton Weather - 2026-09-13 - Morning - Overcast
52°F 11°C
Overcast
Mid-Afternoon
Acton Weather - 2026-09-13 - Afternoon - Light Rain
52°F 11°C
Light Rain
Early-Evening
Acton Weather - 2026-09-13 - Evening - Light Showers
49°F 10°C
Light Showers
Brisk around 52°F 11°C, clouds and showers taking over for the afternoon and evening, with increasing humidity and barometric pressure rising. Winds shifting from the ENE to the N at 13 mph 20 km/h.

Monday, September 14, 2026

Mid-Morning
Acton Weather - 2026-09-14 - Morning - Sunny
50°F 10°C
Sunny
Mid-Afternoon
Acton Weather - 2026-09-14 - Afternoon - Sunny
69°F 21°C
Sunny
Early-Evening
Acton Weather - 2026-09-14 - Evening - Sunny
65°F 18°C
Sunny
Pleasant near 69°F 21°C, sunny through the afternoon, turning partly cloudy this evening, with lower humidity and barometric pressure falling. Winds turning from the SSW to the ESE at 6 mph 9 km/h.

Tuesday, September 15, 2026

Mid-Morning
Acton Weather - 2026-09-15 - Morning - Overcast
58°F 14°C
Overcast
Mid-Afternoon
Acton Weather - 2026-09-15 - Afternoon - Sunny
75°F 24°C
Sunny
Early-Evening
Acton Weather - 2026-09-15 - Evening - Sunny
69°F 20°C
Sunny
Comfortable with temperatures reaching 75°F 24°C, overcast in the morning, becoming sunny through the afternoon and evening, with lower humidity and barometric pressure falling. Winds picking up from NW at 3 mph 4 km/h to N at 11 mph 16 km/h.

Wednesday, September 16, 2026

Mid-Morning
Acton Weather - 2026-09-16 - Morning - Partly Cloudy
60°F 16°C
Partly Cloudy
Mid-Afternoon
Acton Weather - 2026-09-16 - Afternoon - Overcast
76°F 24°C
Overcast
Early-Evening
Acton Weather - 2026-09-16 - Evening - Overcast
72°F 22°C
Overcast
Enjoyable around 76°F 24°C, partly cloudy in the morning, becoming overcast through the afternoon and evening, with lower humidity and barometric pressure falling. Winds moving from the NW to the NE at 11 mph 18 km/h.

Thursday, September 17, 2026

Mid-Morning
Acton Weather - 2026-09-17 - Morning - Scattered Showers
53°F 12°C
Scattered Showers
Mid-Afternoon
Acton Weather - 2026-09-17 - Afternoon - Scattered Showers
48°F 9°C
Scattered Showers
Early-Evening
Acton Weather - 2026-09-17 - Evening - Overcast
47°F 8°C
Overcast
Brisk around 48°F 9°C, locally heavy downpours at times, with steady humidity and barometric pressure rising. Winds NE at 13 mph 20 km/h.

Friday, September 18, 2026

Mid-Morning
Acton Weather - 2026-09-18 - Morning - Scattered Showers
48°F 9°C
Scattered Showers
Mid-Afternoon
Acton Weather - 2026-09-18 - Afternoon - Overcast
59°F 15°C
Overcast
Early-Evening
Acton Weather - 2026-09-18 - Evening - Overcast
58°F 15°C
Overcast
Mildly cool near 59°F 15°C, periods of heavy rain and gusty conditions, with lower humidity and barometric pressure falling. Winds picking up from NNE at 4 mph 7 km/h to NE at 13 mph 20 km/h.

Saturday, September 19, 2026

Mid-Morning
Acton Weather - 2026-09-19 - Morning - Light Showers
52°F 11°C
Light Showers
Mid-Afternoon
Acton Weather - 2026-09-19 - Afternoon - Scattered Showers
56°F 13°C
Scattered Showers
Early-Evening
Acton Weather - 2026-09-19 - Evening - Scattered Showers
50°F 10°C
Scattered Showers
Chilly near 56°F 13°C, scattered downpours possible, with lower humidity and steady pressure. Winds turning from the N to the NE at 13 mph 20 km/h.

Sunday, September 20, 2026

Mid-Morning
Acton Weather - 2026-09-20 - Morning - Scattered Showers
41°F 5°C
Scattered Showers
Mid-Afternoon
Acton Weather - 2026-09-20 - Afternoon - Partly Cloudy
47°F 9°C
Partly Cloudy
Early-Evening
Acton Weather - 2026-09-20 - Evening - Overcast
48°F 9°C
Overcast
Crisp with a high near 47°F 9°C, locally heavy downpours at times, with lower humidity and steady pressure. Winds ENE at 8 mph 13 km/h.

Monday, September 21, 2026

Mid-Morning
Acton Weather - 2026-09-21 - Morning - Overcast
42°F 6°C
Overcast
Mid-Afternoon
Acton Weather - 2026-09-21 - Afternoon - Cloudy
61°F 16°C
Cloudy
Early-Evening
Acton Weather - 2026-09-21 - Evening - Overcast
58°F 14°C
Overcast
Refreshing around 61°F 16°C, overcast in the morning, cloudy in the afternoon, and overcast this evening, with lower humidity and barometric pressure falling. Winds picking up from NE at 1 mph 2 km/h to NE at 13 mph 20 km/h. Gusts up to 21 mph 33 km/h.

Tuesday, September 22, 2026

Mid-Morning
Acton Weather - 2026-09-22 - Morning - Overcast
49°F 10°C
Overcast
Mid-Afternoon
Acton Weather - 2026-09-22 - Afternoon - Overcast
63°F 17°C
Overcast
Early-Evening
Acton Weather - 2026-09-22 - Evening - Partly Cloudy
60°F 16°C
Partly Cloudy
Mildly cool near 63°F 17°C, overcast through the afternoon, turning cloudy this evening, with lower humidity and steady pressure. Winds swinging from the S to the E at 8 mph 12 km/h.

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Weather by the Numbers

Wed, 9th
Acton MT Weather - Wednesday, Sep 9, 2026 - Sunny
Hi: 83°F 28°C
Lo: 50°F 10°C
Sunrise 06:46 AM
Sunset 07:38 PM
Wind SW 11 mph18 km/h
Dew Point 32°F-0°C
uv Index 5
Barometric Pressure 30.06 in1018 mb
POP 0% *
Humidity 21%
Thu, 10th
Acton MT Weather - Thursday, Sep 10, 2026 - Sunny
Hi: 89°F 32°C
Lo: 59°F 15°C
Sunrise 06:47 AM
Sunset 07:36 PM
Wind SW 15 mph23 km/h
Dew Point 22°F-5°C
uv Index 5
Barometric Pressure 29.77 in1008 mb
POP 0% *
Humidity 11%
Fri, 11th
Acton MT Weather - Friday, Sep 11, 2026 - Sunny
Hi: 74°F 24°C
Lo: 51°F 11°C
Sunrise 06:49 AM
Sunset 07:34 PM
Wind WNW 21 mph35 km/h
Dew Point 22°F-6°C
uv Index 3
Barometric Pressure 29.8 in1009 mb
POP 0% *
Humidity 14%
Sat, 12th
Acton MT Weather - Saturday, Sep 12, 2026 - Overcast
Hi: 67°F 19°C
Lo: 47°F 8°C
Sunrise 06:50 AM
Sunset 07:32 PM
Wind E 10 mph15 km/h
Dew Point 36°F2°C
uv Index 4
Barometric Pressure 30 in1016 mb
POP 10% *
Humidity 40%
Sun, 13th
Acton MT Weather - Sunday, Sep 13, 2026 - Patchy Rain Nearby
Hi: 57°F 14°C
Lo: 45°F 7°C
Sunrise 06:51 AM
Sunset 07:30 PM
Wind ENE 13 mph20 km/h
Dew Point 43°F6°C
uv Index 3
Barometric Pressure 29.91 in1013 mb
POP 24% *
Humidity 60%
Mon, 14th
Acton MT Weather - Monday, Sep 14, 2026 - Sunny
Hi: 70°F 21°C
Lo: 44°F 7°C
Sunrise 06:52 AM
Sunset 07:28 PM
Wind SSW 6 mph9 km/h
Dew Point 40°F4°C
uv Index 5
Barometric Pressure 30.03 in1017 mb
POP 2% *
Humidity 47%
Tue, 15th
Acton MT Weather - Tuesday, Sep 15, 2026 - Sunny
Hi: 75°F 24°C
Lo: 51°F 11°C
Sunrise 06:54 AM
Sunset 07:26 PM
Wind NNE 4 mph7 km/h
Dew Point 37°F3°C
uv Index 5
Barometric Pressure 29.91 in1013 mb
POP 1% *
Humidity 32%
Wed, 16th
Acton MT Weather - Wednesday, Sep 16, 2026 - Overcast
Hi: 76°F 24°C
Lo: 55°F 13°C
Sunrise 06:55 AM
Sunset 07:24 PM
Wind NW 1 mph2 km/h
Dew Point 45°F7°C
uv Index 5
Barometric Pressure 29.83 in1010 mb
POP 8% *
Humidity 41%
Thu, 17th
Acton MT Weather - Thursday, Sep 17, 2026 - Patchy Rain Nearby
Hi: 63°F 17°C
Lo: 47°F 8°C
Sunrise 06:56 AM
Sunset 07:22 PM
Wind NE 14 mph23 km/h
Dew Point 42°F6°C
uv Index 2
Barometric Pressure 30.24 in1024 mb
POP 25% *
Humidity 75%
Fri, 18th
Acton MT Weather - Friday, Sep 18, 2026 - Patchy Rain Nearby
Hi: 59°F 15°C
Lo: 46°F 8°C
Sunrise 06:57 AM
Sunset 07:20 PM
Wind ENE 4 mph6 km/h
Dew Point 46°F8°C
uv Index 3
Barometric Pressure 30.15 in1021 mb
POP 24% *
Humidity 81%
Sat, 19th
Acton MT Weather - Saturday, Sep 19, 2026 - Overcast
Hi: 56°F 13°C
Lo: 46°F 8°C
Sunrise 06:59 AM
Sunset 07:19 PM
Wind N 10 mph15 km/h
Dew Point 47°F9°C
uv Index 3
Barometric Pressure 29.85 in1011 mb
POP 24% *
Humidity 79%
Sun, 20th
Acton MT Weather - Sunday, Sep 20, 2026 - Patchy Rain Nearby
Hi: 49°F 10°C
Lo: 41°F 5°C
Sunrise 07:00 AM
Sunset 07:17 PM
Wind E 6 mph10 km/h
Dew Point 35°F2°C
uv Index 2
Barometric Pressure 30.09 in1019 mb
POP 20% *
Humidity 72%
Mon, 21st
Acton MT Weather - Monday, Sep 21, 2026 - Partly Cloudy
Hi: 61°F 16°C
Lo: 36°F 2°C
Sunrise 07:01 AM
Sunset 07:15 PM
Wind E 4 mph6 km/h
Dew Point 33°F0°C
uv Index 4
Barometric Pressure 30.06 in1018 mb
POP 6% *
Humidity 48%
Tue, 22nd
Acton MT Weather - Tuesday, Sep 22, 2026 - Overcast
Hi: 66°F 19°C
Lo: 46°F 8°C
Sunrise 07:02 AM
Sunset 07:13 PM
Wind NW 3 mph5 km/h
Dew Point 38°F3°C
uv Index 3
Barometric Pressure 29.91 in1013 mb
POP 12% *
Humidity 52%
* POP = Probability of Precipitation. Data for 12:00 PM.