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Rocky Boy MT Weather - Clear - 72°F
Clear
72°F
Updated 12:14 pm
Feels Like 58°F
Humidity 21%
Wind WSW 17 mph
Barometer  29.5 in
Dew Point 31°F
Rocky Boy MT Weather - Clear - 22°C
Clear
22°C
Updated 12:14 pm
Feels Like 14°C
Humidity 21%
Wind WSW 27 km/h
Barometer  99.8 kPa
Dew Point -1°C
Rocky Boy, MT Weather and Current Conditionsrocky boy mt weather forecast

Rocky Boy, MT Weather Forecast

Rocky Boy Montana WeatherRocky Boy, Montana Weather Weather Forecast
14 day API Rocky Boy, MT weather forecast. Note. Our 7-day weather forecast for Rocky Boy, Montana is our most reliable and accurate forecast. This model should only be used as a likely scenario. Forecasting more than 7 days is difficult.
Rocky Boy, MT Weather Forecast Dated: 1214 PM Fri Oct 09 2026
Expect a cool pattern with a mix of sun and clouds and occasional showers over the coming period. moderate humidity and no major pressure swings will dominate.

Friday, October 9, 2026

Mid-Morning
Rocky Boy Weather - 2026-10-09 - Morning - Overcast
63°F 17°C
Overcast
Mid-Afternoon
Rocky Boy Weather - 2026-10-09 - Afternoon - Partly Cloudy
76°F 25°C
Partly Cloudy
Early-Evening
Rocky Boy Weather - 2026-10-09 - Evening - Cloudy
65°F 18°C
Cloudy
Pleasant near 76°F 25°C, overcast in the morning, partly cloudy in the afternoon, and overcast this evening, with steady humidity and barometric pressure falling. Winds turning from the SSW to the W at 16 mph 26 km/h. Gusts up to 32 mph 52 km/h.

Saturday, October 10, 2026

Mid-Morning
Rocky Boy Weather - 2026-10-10 - Morning - Scattered Showers
38°F 3°C
Scattered Showers
Mid-Afternoon
Rocky Boy Weather - 2026-10-10 - Afternoon - Heavy Snow
35°F 2°C
Heavy Snow
Early-Evening
Rocky Boy Weather - 2026-10-10 - Evening - Heavy Snow
34°F 1°C
Heavy Snow
Biting cold near 35°F 2°C, scattered downpours possible, with steady humidity and barometric pressure rising. Snow accumulation up to 2 in. up to 5 cm. Winds blowing from the NNW at 9 mph 14 km/h.

Sunday, October 11, 2026

Mid-Morning
Rocky Boy Weather - 2026-10-11 - Morning - Snow
30°F -1°C
Snow
Mid-Afternoon
Rocky Boy Weather - 2026-10-11 - Afternoon - Heavy Snow Showers
33°F 0°C
Heavy Snow Showers
Early-Evening
Rocky Boy Weather - 2026-10-11 - Evening - Snow
32°F 0°C
Snow
Cold with a high near 33°F 0°C, on-and-off snow throughout the day, with steady humidity and steady pressure. Snow accumulation up to 2 in. up to 5 cm.

Monday, October 12, 2026

Mid-Morning
Rocky Boy Weather - 2026-10-12 - Morning - Light Snow
33°F 0°C
Light Snow
Mid-Afternoon
Rocky Boy Weather - 2026-10-12 - Afternoon - Cloudy
37°F 3°C
Cloudy
Early-Evening
Rocky Boy Weather - 2026-10-12 - Evening - Sunny
33°F 1°C
Sunny
Nippy around 37°F 3°C, early snow breaking for a drier afternoon, with lower humidity and steady pressure.

Tuesday, October 13, 2026

Mid-Morning
Rocky Boy Weather - 2026-10-13 - Morning - Sunny
34°F 1°C
Sunny
Mid-Afternoon
Rocky Boy Weather - 2026-10-13 - Afternoon - Sunny
52°F 11°C
Sunny
Early-Evening
Rocky Boy Weather - 2026-10-13 - Evening - Sunny
44°F 7°C
Sunny
Brisk around 52°F 11°C, sunny throughout the day, with lower humidity and barometric pressure falling.

Wednesday, October 14, 2026

Mid-Morning
Rocky Boy Weather - 2026-10-14 - Morning - Sunny
42°F 6°C
Sunny
Mid-Afternoon
Rocky Boy Weather - 2026-10-14 - Afternoon - Cloudy
57°F 14°C
Cloudy
Early-Evening
Rocky Boy Weather - 2026-10-14 - Evening - Sunny
50°F 10°C
Sunny
Cool and brisk at 57°F 14°C, sunny in the morning, cloudy in the afternoon, and sunny this evening, with lower humidity and steady pressure. Winds moving from the SSW to the WSW at 14 mph 23 km/h. Gusts up to 28 mph 45 km/h.

Thursday, October 15, 2026

Mid-Morning
Rocky Boy Weather - 2026-10-15 - Morning - Scattered Showers
37°F 3°C
Scattered Showers
Mid-Afternoon
Rocky Boy Weather - 2026-10-15 - Afternoon - Partly Cloudy
42°F 6°C
Partly Cloudy
Early-Evening
Rocky Boy Weather - 2026-10-15 - Evening - Overcast
38°F 3°C
Overcast
Nippy around 42°F 6°C, periods of heavy rain and gusty conditions, with lower humidity and barometric pressure rising. Winds swinging from the NW to the NNW at 20 mph 32 km/h. Gusts up to 31 mph 50 km/h.

Friday, October 16, 2026

Mid-Morning
Rocky Boy Weather - 2026-10-16 - Morning - Sunny
28°F -2°C
Sunny
Mid-Afternoon
Rocky Boy Weather - 2026-10-16 - Afternoon - Partly Cloudy
43°F 6°C
Partly Cloudy
Early-Evening
Rocky Boy Weather - 2026-10-16 - Evening - Overcast
36°F 2°C
Overcast
Biting cold near 43°F 6°C, sunny in the morning, partly cloudy in the afternoon, and overcast this evening, with lower humidity and barometric pressure falling. Winds shifting from the W to the SE at 9 mph 15 km/h.

Saturday, October 17, 2026

Mid-Morning
Rocky Boy Weather - 2026-10-17 - Morning - Overcast
45°F 7°C
Overcast
Mid-Afternoon
Rocky Boy Weather - 2026-10-17 - Afternoon - Overcast
52°F 11°C
Overcast
Early-Evening
Rocky Boy Weather - 2026-10-17 - Evening - Overcast
45°F 7°C
Overcast
Brisk around 52°F 11°C, overcast throughout the day, with lower humidity and steady pressure. Winds decreasing from WSW 13 mph 21 km/h to ESE 5 mph 8 km/h.

Sunday, October 18, 2026

Mid-Morning
Rocky Boy Weather - 2026-10-18 - Morning - Overcast
44°F 7°C
Overcast
Mid-Afternoon
Rocky Boy Weather - 2026-10-18 - Afternoon - Overcast
58°F 14°C
Overcast
Early-Evening
Rocky Boy Weather - 2026-10-18 - Evening - Sunny
48°F 9°C
Sunny
Mildly cool near 58°F 14°C, overcast through the afternoon, turning sunny this evening, with steady humidity and barometric pressure falling.

Monday, October 19, 2026

Mid-Morning
Rocky Boy Weather - 2026-10-19 - Morning - Overcast
50°F 10°C
Overcast
Mid-Afternoon
Rocky Boy Weather - 2026-10-19 - Afternoon - Overcast
62°F 17°C
Overcast
Early-Evening
Rocky Boy Weather - 2026-10-19 - Evening - Overcast
52°F 11°C
Overcast
Comfortable at 62°F 17°C, overcast through the afternoon, turning cloudy this evening, with steady humidity and steady pressure. Winds switching from the S to the WSW at 5 mph 9 km/h.

Tuesday, October 20, 2026

Mid-Morning
Rocky Boy Weather - 2026-10-20 - Morning - Sunny
41°F 5°C
Sunny
Mid-Afternoon
Rocky Boy Weather - 2026-10-20 - Afternoon - Sunny
52°F 11°C
Sunny
Early-Evening
Rocky Boy Weather - 2026-10-20 - Evening - Sunny
45°F 7°C
Sunny
Crisp with a high near 52°F 11°C, sunny throughout the day, with steady humidity and steady pressure. Winds moving from the NNW to the S at 6 mph 9 km/h.

Wednesday, October 21, 2026

Mid-Morning
Rocky Boy Weather - 2026-10-21 - Morning - Overcast
47°F 8°C
Overcast
Mid-Afternoon
Rocky Boy Weather - 2026-10-21 - Afternoon - Nearby Thunderstorms
60°F 15°C
Nearby Thunderstorms
Early-Evening
Rocky Boy Weather - 2026-10-21 - Evening - Light Showers
43°F 7°C
Light Showers
Refreshing around 60°F 15°C, periods of heavy thunderstorms, with increasing humidity and barometric pressure rising. Winds swinging from the SSW to the NNW at 12 mph 20 km/h. Gusts up to 26 mph 42 km/h.

Thursday, October 22, 2026

Mid-Morning
Rocky Boy Weather - 2026-10-22 - Morning - Cloudy
35°F 2°C
Cloudy
Mid-Afternoon
Rocky Boy Weather - 2026-10-22 - Afternoon - Cloudy
44°F 7°C
Cloudy
Early-Evening
Rocky Boy Weather - 2026-10-22 - Evening - Sunny
37°F 3°C
Sunny
Biting cold near 44°F 7°C, cloudy through the afternoon, turning partly cloudy this evening, with lower humidity and steady pressure. Winds shifting from the NW to the ESE at 4 mph 5 km/h.

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Weather by the Numbers

Fri, 9th
Rocky Boy MT Weather - Friday, Oct 9, 2026 - Overcast
Hi: 77°F 25°C
Lo: 54°F 12°C
Sunrise 07:31 AM
Sunset 06:42 PM
Wind SW 17 mph27 km/h
Dew Point 28°F-2°C
uv Index 2
Barometric Pressure 29.44 in997 mb
POP 9% *
Humidity 19%
Sat, 10th
Rocky Boy MT Weather - Saturday, Oct 10, 2026 - Moderate Or Heavy Snow Showers
Hi: 53°F 12°C
Lo: 32°F 0°C
Sunrise 07:32 AM
Sunset 06:40 PM
Wind NNW 11 mph17 km/h
Dew Point 35°F2°C
uv Index 1
Barometric Pressure 29.88 in1012 mb
POP 43% *
Humidity 96%
Sun, 11th
Rocky Boy MT Weather - Sunday, Oct 11, 2026 - Moderate Snow
Hi: 33°F 0°C
Lo: 30°F -1°C
Sunrise 07:34 AM
Sunset 06:38 PM
Wind NNE 4 mph7 km/h
Dew Point 31°F-1°C
uv Index 1
Barometric Pressure 30.15 in1021 mb
POP 51% *
Humidity 96%
Mon, 12th
Rocky Boy MT Weather - Monday, Oct 12, 2026 - Patchy Rain Nearby
Hi: 38°F 3°C
Lo: 30°F -1°C
Sunrise 07:35 AM
Sunset 06:36 PM
Wind SSW 4 mph7 km/h
Dew Point 33°F1°C
uv Index 2
Barometric Pressure 30.06 in1018 mb
POP 33% *
Humidity 93%
Tue, 13th
Rocky Boy MT Weather - Tuesday, Oct 13, 2026 - Sunny
Hi: 52°F 11°C
Lo: 30°F -1°C
Sunrise 07:37 AM
Sunset 06:34 PM
Wind SW 5 mph8 km/h
Dew Point 37°F3°C
uv Index 3
Barometric Pressure 30.03 in1017 mb
POP 6% *
Humidity 71%
Wed, 14th
Rocky Boy MT Weather - Wednesday, Oct 14, 2026 - Sunny
Hi: 57°F 14°C
Lo: 39°F 4°C
Sunrise 07:38 AM
Sunset 06:32 PM
Wind SW 12 mph19 km/h
Dew Point 35°F2°C
uv Index 4
Barometric Pressure 29.83 in1010 mb
POP 3% *
Humidity 53%
Thu, 15th
Rocky Boy MT Weather - Thursday, Oct 15, 2026 - Patchy Rain Nearby
Hi: 44°F 6°C
Lo: 32°F 0°C
Sunrise 07:40 AM
Sunset 06:30 PM
Wind NW 21 mph33 km/h
Dew Point 28°F-2°C
uv Index 1
Barometric Pressure 30.39 in1029 mb
POP 14% *
Humidity 63%
Fri, 16th
Rocky Boy MT Weather - Friday, Oct 16, 2026 - Sunny
Hi: 43°F 6°C
Lo: 27°F -3°C
Sunrise 07:41 AM
Sunset 06:28 PM
Wind WSW 5 mph8 km/h
Dew Point 17°F-8°C
uv Index 2
Barometric Pressure 30.65 in1038 mb
POP 2% *
Humidity 46%
Sat, 17th
Rocky Boy MT Weather - Saturday, Oct 17, 2026 - Overcast
Hi: 52°F 11°C
Lo: 34°F 1°C
Sunrise 07:43 AM
Sunset 06:26 PM
Wind NW 15 mph25 km/h
Dew Point 23°F-5°C
uv Index 3
Barometric Pressure 30.06 in1018 mb
POP 10% *
Humidity 34%
Sun, 18th
Rocky Boy MT Weather - Sunday, Oct 18, 2026 - Overcast
Hi: 58°F 14°C
Lo: 41°F 5°C
Sunrise 07:44 AM
Sunset 06:24 PM
Wind SSE 5 mph8 km/h
Dew Point 21°F-6°C
uv Index 3
Barometric Pressure 30 in1016 mb
POP 8% *
Humidity 28%
Mon, 19th
Rocky Boy MT Weather - Monday, Oct 19, 2026 - Overcast
Hi: 62°F 17°C
Lo: 46°F 8°C
Sunrise 07:46 AM
Sunset 06:22 PM
Wind SW 11 mph17 km/h
Dew Point 26°F-4°C
uv Index 4
Barometric Pressure 29.77 in1008 mb
POP 9% *
Humidity 26%
Tue, 20th
Rocky Boy MT Weather - Tuesday, Oct 20, 2026 - Sunny
Hi: 52°F 11°C
Lo: 39°F 4°C
Sunrise 07:47 AM
Sunset 06:20 PM
Wind WNW 6 mph10 km/h
Dew Point 28°F-2°C
uv Index 3
Barometric Pressure 30.12 in1020 mb
POP 2% *
Humidity 44%
Wed, 21st
Rocky Boy MT Weather - Wednesday, Oct 21, 2026 - Overcast
Hi: 60°F 15°C
Lo: 40°F 4°C
Sunrise 07:49 AM
Sunset 06:18 PM
Wind WSW 25 mph40 km/h
Dew Point 24°F-4°C
uv Index 3
Barometric Pressure 29.83 in1010 mb
POP 10% *
Humidity 30%
Thu, 22nd
Rocky Boy MT Weather - Thursday, Oct 22, 2026 - Sunny
Hi: 44°F 7°C
Lo: 33°F 1°C
Sunrise 07:50 AM
Sunset 06:17 PM
Wind NW 11 mph17 km/h
Dew Point 28°F-2°C
uv Index 2
Barometric Pressure 30.47 in1032 mb
POP 5% *
Humidity 64%
* POP = Probability of Precipitation. Data for 12:00 PM.