7-Day Forecast Summary
7-Day Detailed Weather Forecast for Helena
Overnight |
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Temperature: 45°F Wind Speed: 8 mph Wind Direction: NNW Forecast: A chance of showers and thunderstorms. Mostly cloudy. Low around 45, with temperatures rising to around 48 overnight. North northwest wind around 8 mph. Chance of precipitation is 40%. |
Saturday |
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Temperature: 62°F Wind Speed: 9 mph Wind Direction: NNW Forecast: A chance of rain showers before noon, then a slight chance of showers and thunderstorms between noon and 1pm. Partly sunny, with a high near 62. North northwest wind around 9 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. |
Saturday Night |
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Temperature: 42°F Wind Speed: 0 to 10 mph Wind Direction: NW Forecast: Partly cloudy, with a low around 42. Northwest wind 0 to 10 mph, with gusts as high as 20 mph. |
Sunday |
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Temperature: 72°F Wind Speed: 0 to 6 mph Wind Direction: NNW Forecast: Mostly sunny, with a high near 72. North northwest wind 0 to 6 mph. |
Sunday Night |
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Temperature: 46°F Wind Speed: 2 to 6 mph Wind Direction: NW Forecast: Mostly clear, with a low around 46. Northwest wind 2 to 6 mph. |
Monday |
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Temperature: 80°F Wind Speed: 1 to 7 mph Wind Direction: WSW Forecast: Mostly sunny, with a high near 80. West southwest wind 1 to 7 mph. |
Monday Night |
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Temperature: 57°F Wind Speed: 5 to 9 mph Wind Direction: W Forecast: Mostly cloudy, with a low around 57. West wind 5 to 9 mph, with gusts as high as 21 mph. |
Tuesday |
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Temperature: 84°F Wind Speed: 7 to 23 mph Wind Direction: WSW Forecast: Mostly sunny, with a high near 84. West southwest wind 7 to 23 mph, with gusts as high as 41 mph. |
Tuesday Night |
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Temperature: 57°F Wind Speed: 17 to 25 mph Wind Direction: W Forecast: Mostly clear, with a low around 57. |
Wednesday |
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Temperature: 75°F Wind Speed: 17 to 24 mph Wind Direction: WNW Forecast: Sunny, with a high near 75. |
Wednesday Night |
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Temperature: 49°F Wind Speed: 2 to 16 mph Wind Direction: W Forecast: Mostly clear, with a low around 49. |
Thursday |
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Temperature: 79°F Wind Speed: 1 to 9 mph Wind Direction: NW Forecast: Sunny, with a high near 79. |
Thursday Night |
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Temperature: 51°F Wind Speed: 1 to 10 mph Wind Direction: W Forecast: Mostly clear, with a low around 51. |
Juneteenth |
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Temperature: 81°F Wind Speed: 1 to 10 mph Wind Direction: N Forecast: Mostly sunny, with a high near 81. |

