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Helena MT Weather - Clear - 84°F
Clear
84°F
Updated 2:27 pm
Feels Like 72°F
Humidity 13%
Wind WSW 12 mph
Barometer  29.89 in
Dew Point 28°F
Helena MT Weather - Clear - 29°C
Clear
29°C
Updated 2:27 pm
Feels Like 22°C
Humidity 13%
Wind WSW 19 km/h
Barometer  101.2 kPa
Dew Point -2°C
Helena, MT Weather and Current Conditionshelena mt weather forecast

Helena, MT Weather Forecast

Helena Montana WeatherHelena, Montana Weather Weather Forecast
14 day API weather forecast for Helena, Montana. Note: The 7-day weather forecast for Helena, 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.
Helena, MT Weather Forecast Dated: 227 PM Thu Sep 10 2026
Expect a cool pattern with a mix of sun and clouds and mostly dry weather over the coming period. moderate humidity and no major pressure swings will dominate.

Thursday, September 10, 2026

Mid-Morning
Helena Weather - 2026-09-10 - Morning - Overcast
56°F 13°C
Overcast
Mid-Afternoon
Helena Weather - 2026-09-10 - Afternoon - Sunny
81°F 27°C
Sunny
Early-Evening
Helena Weather - 2026-09-10 - Evening - Partly Cloudy
69°F 20°C
Partly Cloudy
Warm and summery near 81°F 27°C, overcast in the morning, sunny in the afternoon, and cloudy this evening, with lower humidity and barometric pressure falling. Winds turning from the S to the SSW at 8 mph 13 km/h.

Friday, September 11, 2026

Mid-Morning
Helena Weather - 2026-09-11 - Morning - Scattered Showers
51°F 10°C
Scattered Showers
Mid-Afternoon
Helena Weather - 2026-09-11 - Afternoon - Scattered Showers
59°F 15°C
Scattered Showers
Early-Evening
Helena Weather - 2026-09-11 - Evening - Overcast
49°F 9°C
Overcast
Mildly cool near 59°F 15°C, scattered downpours possible, with steady humidity and barometric pressure rising. Winds blowing from the NNE at 12 mph 20 km/h.

Saturday, September 12, 2026

Mid-Morning
Helena Weather - 2026-09-12 - Morning - Overcast
42°F 5°C
Overcast
Mid-Afternoon
Helena Weather - 2026-09-12 - Afternoon - Overcast
47°F 8°C
Overcast
Early-Evening
Helena Weather - 2026-09-12 - Evening - Overcast
44°F 7°C
Overcast
Chilly near 47°F 8°C, overcast throughout the day, with steady humidity and steady pressure.

Sunday, September 13, 2026

Mid-Morning
Helena Weather - 2026-09-13 - Morning - Rain
36°F 2°C
Rain
Mid-Afternoon
Helena Weather - 2026-09-13 - Afternoon - Light Sleet Showers
35°F 2°C
Light Sleet Showers
Early-Evening
Helena Weather - 2026-09-13 - Evening - Fog
35°F 2°C
Fog
Nippy around 35°F 2°C, intermittent showers through midday, easing by evening, with steady humidity and barometric pressure rising.

Monday, September 14, 2026

Mid-Morning
Helena Weather - 2026-09-14 - Morning - Sunny
39°F 4°C
Sunny
Mid-Afternoon
Helena Weather - 2026-09-14 - Afternoon - Sunny
58°F 15°C
Sunny
Early-Evening
Helena Weather - 2026-09-14 - Evening - Scattered Showers
51°F 10°C
Scattered Showers
Refreshing around 58°F 15°C, scattered downpours possible, with lower humidity and steady pressure. Winds moving from the SSW to the W at 6 mph 9 km/h.

Tuesday, September 15, 2026

Mid-Morning
Helena Weather - 2026-09-15 - Morning - Cloudy
45°F 7°C
Cloudy
Mid-Afternoon
Helena Weather - 2026-09-15 - Afternoon - Nearby Thunderstorms
59°F 15°C
Nearby Thunderstorms
Early-Evening
Helena Weather - 2026-09-15 - Evening - Scattered Showers
49°F 9°C
Scattered Showers
Mildly cool near 59°F 15°C, heavy thunderstorms conditions at times, with steady humidity and steady pressure.

Wednesday, September 16, 2026

Mid-Morning
Helena Weather - 2026-09-16 - Morning - Sunny
49°F 9°C
Sunny
Mid-Afternoon
Helena Weather - 2026-09-16 - Afternoon - Sunny
69°F 20°C
Sunny
Early-Evening
Helena Weather - 2026-09-16 - Evening - Sunny
59°F 15°C
Sunny
Comfortable with temperatures reaching 69°F 20°C, sunny throughout the day, with lower humidity and steady pressure.

Thursday, September 17, 2026

Mid-Morning
Helena Weather - 2026-09-17 - Morning - Sunny
47°F 8°C
Sunny
Mid-Afternoon
Helena Weather - 2026-09-17 - Afternoon - Sunny
76°F 25°C
Sunny
Early-Evening
Helena Weather - 2026-09-17 - Evening - Sunny
67°F 20°C
Sunny
Enjoyable around 76°F 25°C, sunny throughout the day, with lower humidity and barometric pressure falling.

Friday, September 18, 2026

Mid-Morning
Helena Weather - 2026-09-18 - Morning - Sunny
60°F 15°C
Sunny
Mid-Afternoon
Helena Weather - 2026-09-18 - Afternoon - Sunny
78°F 26°C
Sunny
Early-Evening
Helena Weather - 2026-09-18 - Evening - Sunny
69°F 21°C
Sunny
Mild temperatures up to 78°F 26°C, sunny throughout the day, with steady humidity and barometric pressure falling.

Saturday, September 19, 2026

Mid-Morning
Helena Weather - 2026-09-19 - Morning - Scattered Showers
63°F 17°C
Scattered Showers
Mid-Afternoon
Helena Weather - 2026-09-19 - Afternoon - Scattered Showers
83°F 29°C
Scattered Showers
Early-Evening
Helena Weather - 2026-09-19 - Evening - Scattered Showers
58°F 15°C
Scattered Showers
Very warm with a high of 83°F 29°C, periods of heavy rain and gusty conditions, with increasing humidity and steady pressure.

Sunday, September 20, 2026

Mid-Morning
Helena Weather - 2026-09-20 - Morning - Overcast
51°F 11°C
Overcast
Mid-Afternoon
Helena Weather - 2026-09-20 - Afternoon - Sunny
63°F 17°C
Sunny
Early-Evening
Helena Weather - 2026-09-20 - Evening - Sunny
54°F 13°C
Sunny
Comfortable at 63°F 17°C, overcast in the morning, becoming sunny through the afternoon and evening, with steady humidity and steady pressure. Winds picking up from W at 4 mph 6 km/h to WSW at 12 mph 19 km/h. Gusts up to 23 mph 37 km/h.

Monday, September 21, 2026

Mid-Morning
Helena Weather - 2026-09-21 - Morning - Sunny
50°F 10°C
Sunny
Mid-Afternoon
Helena Weather - 2026-09-21 - Afternoon - Sunny
68°F 20°C
Sunny
Early-Evening
Helena Weather - 2026-09-21 - Evening - Sunny
60°F 16°C
Sunny
Comfortable with temperatures reaching 68°F 20°C, sunny throughout the day, with lower humidity and steady pressure.

Tuesday, September 22, 2026

Mid-Morning
Helena Weather - 2026-09-22 - Morning - Cloudy
56°F 13°C
Cloudy
Mid-Afternoon
Helena Weather - 2026-09-22 - Afternoon - Overcast
76°F 25°C
Overcast
Early-Evening
Helena Weather - 2026-09-22 - Evening - Partly Cloudy
66°F 19°C
Partly Cloudy
Enjoyable around 76°F 25°C, cloudy in the morning, overcast in the afternoon, and partly cloudy this evening, with steady humidity and barometric pressure falling.

Wednesday, September 23, 2026

Mid-Morning
Helena Weather - 2026-09-23 - Morning - Sunny
59°F 15°C
Sunny
Mid-Afternoon
Helena Weather - 2026-09-23 - Afternoon - Sunny
78°F 26°C
Sunny
Early-Evening
Helena Weather - 2026-09-23 - Evening - Sunny
68°F 20°C
Sunny
Mild temperatures up to 78°F 26°C, sunny throughout the day, with steady humidity and barometric pressure falling.

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Weather by the Numbers

Thu, 10th
Helena MT Weather - Thursday, Sep 10, 2026 - Sunny
Hi: 85°F 29°C
Lo: 50°F 10°C
Sunrise 07:00 AM
Sunset 07:49 PM
Wind W 8 mph13 km/h
Dew Point 33°F1°C
uv Index 5
Barometric Pressure 29.8 in1009 mb
POP 0% *
Humidity 17%
Fri, 11th
Helena MT Weather - Friday, Sep 11, 2026 - Patchy Rain Nearby
Hi: 59°F 15°C
Lo: 44°F 7°C
Sunrise 07:01 AM
Sunset 07:47 PM
Wind N 7 mph12 km/h
Dew Point 43°F6°C
uv Index 4
Barometric Pressure 29.94 in1014 mb
POP 25% *
Humidity 74%
Sat, 12th
Helena MT Weather - Saturday, Sep 12, 2026 - Overcast
Hi: 47°F 8°C
Lo: 41°F 5°C
Sunrise 07:02 AM
Sunset 07:45 PM
Wind N 5 mph8 km/h
Dew Point 37°F3°C
uv Index 2
Barometric Pressure 30 in1016 mb
POP 21% *
Humidity 74%
Sun, 13th
Helena MT Weather - Sunday, Sep 13, 2026 - Light Sleet Showers
Hi: 41°F 5°C
Lo: 35°F 2°C
Sunrise 07:04 AM
Sunset 07:43 PM
Wind NW 5 mph8 km/h
Dew Point 35°F2°C
uv Index 1
Barometric Pressure 30.09 in1019 mb
POP 57% *
Humidity 98%
Mon, 14th
Helena MT Weather - Monday, Sep 14, 2026 - Patchy Rain Nearby
Hi: 59°F 15°C
Lo: 30°F -1°C
Sunrise 07:05 AM
Sunset 07:42 PM
Wind NW 7 mph12 km/h
Dew Point 36°F2°C
uv Index 3
Barometric Pressure 30.03 in1017 mb
POP 8% *
Humidity 52%
Tue, 15th
Helena MT Weather - Tuesday, Sep 15, 2026 - Sunny
Hi: 59°F 15°C
Lo: 38°F 4°C
Sunrise 07:06 AM
Sunset 07:40 PM
Wind NNE 5 mph9 km/h
Dew Point 36°F2°C
uv Index 4
Barometric Pressure 30.09 in1019 mb
POP 3% *
Humidity 48%
Wed, 16th
Helena MT Weather - Wednesday, Sep 16, 2026 - Partly Cloudy
Hi: 69°F 20°C
Lo: 39°F 4°C
Sunrise 07:07 AM
Sunset 07:38 PM
Wind NNE 2 mph4 km/h
Dew Point 34°F1°C
uv Index 5
Barometric Pressure 30.24 in1024 mb
POP 2% *
Humidity 36%
Thu, 17th
Helena MT Weather - Thursday, Sep 17, 2026 - Sunny
Hi: 76°F 25°C
Lo: 35°F 2°C
Sunrise 07:09 AM
Sunset 07:36 PM
Wind NNE 4 mph7 km/h
Dew Point 39°F4°C
uv Index 5
Barometric Pressure 30.21 in1023 mb
POP 1% *
Humidity 42%
Fri, 18th
Helena MT Weather - Friday, Sep 18, 2026 - Sunny
Hi: 78°F 26°C
Lo: 50°F 10°C
Sunrise 07:10 AM
Sunset 07:34 PM
Wind NE 4 mph6 km/h
Dew Point 37°F3°C
uv Index 6
Barometric Pressure 30.12 in1020 mb
POP 0% *
Humidity 28%
Sat, 19th
Helena MT Weather - Saturday, Sep 19, 2026 - Sunny
Hi: 83°F 29°C
Lo: 55°F 13°C
Sunrise 07:11 AM
Sunset 07:32 PM
Wind ENE 1 mph1 km/h
Dew Point 41°F5°C
uv Index 7
Barometric Pressure 29.8 in1009 mb
POP 0% *
Humidity 27%
Sun, 20th
Helena MT Weather - Sunday, Sep 20, 2026 - Cloudy
Hi: 63°F 17°C
Lo: 45°F 7°C
Sunrise 07:13 AM
Sunset 07:30 PM
Wind W 11 mph18 km/h
Dew Point 28°F-2°C
uv Index 4
Barometric Pressure 29.85 in1011 mb
POP 6% *
Humidity 27%
Mon, 21st
Helena MT Weather - Monday, Sep 21, 2026 - Sunny
Hi: 68°F 20°C
Lo: 42°F 5°C
Sunrise 07:14 AM
Sunset 07:28 PM
Wind NNE 2 mph4 km/h
Dew Point 34°F1°C
uv Index 5
Barometric Pressure 30.18 in1022 mb
POP 1% *
Humidity 35%
Tue, 22nd
Helena MT Weather - Tuesday, Sep 22, 2026 - Sunny
Hi: 76°F 25°C
Lo: 48°F 9°C
Sunrise 07:15 AM
Sunset 07:26 PM
Wind NNE 2 mph4 km/h
Dew Point 30°F-1°C
uv Index 6
Barometric Pressure 30.09 in1019 mb
POP 1% *
Humidity 22%
Wed, 23rd
Helena MT Weather - Wednesday, Sep 23, 2026 - Sunny
Hi: 78°F 26°C
Lo: 51°F 11°C
Sunrise 07:17 AM
Sunset 07:24 PM
Wind NE 3 mph4 km/h
Dew Point 31°F-0°C
uv Index 6
Barometric Pressure 30 in1016 mb
POP 1% *
Humidity 22%
* POP = Probability of Precipitation. Data for 12:00 PM.