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Upper Boulder Lake, MT Weather Forecast
Upper Boulder Lake, MT Weather Forecast Dated: 543 AM Sun Aug 23 2026 (Upper Boulder Lake Time)
Sun, 23rd Lo: 12°C53°F Hi: 25°C77°F |
Sunny Sunday, temperatures as high as 77°F25°C, low temperature around 53°F12°C, chance of rain 17%, wind out of the SW 26 mph42 km/h. Barometric pressure 29.94 in1014 mb, visibility 6 mi10 km, humidity 45%. |
| Mon, 24th Lo: 10°C50°F Hi: 24°C76°F |
Sunny Monday, temperatures as high as 76°F24°C, low temperature around 50°F10°C, chance of rain 3%, wind out of the W 12 mph20 km/h. Barometric pressure 30.06 in1018 mb, visibility 6 mi10 km, humidity 23%. |
Tue, 25th Lo: 12°C53°F Hi: 24°C75°F |
Overcast Tuesday, temperatures as high as 75°F24°C, low temperature around 53°F12°C, chance of rain 5%, wind out of the NE 6 mph9 km/h. Barometric pressure 30.09 in1019 mb, visibility 6 mi10 km, humidity 29%. |
| Wed, 26th Lo: 12°C53°F Hi: 26°C78°F |
Overcast Wednesday, temperatures as high as 78°F26°C, low temperature around 53°F12°C, chance of rain 17%, wind out of the SW 10 mph16 km/h. Barometric pressure 30.06 in1018 mb, visibility 6 mi10 km, humidity 36%. |
| Thu, 27th Lo: 12°C54°F Hi: 26°C80°F |
Overcast Thursday, temperatures as high as 80°F26°C, low temperature around 54°F12°C, chance of rain 5%, wind out of the SSW 11 mph17 km/h. Barometric pressure 29.97 in1015 mb, visibility 6 mi10 km, humidity 32%. |
| Fri, 28th Lo: 13°C55°F Hi: 25°C77°F |
Overcast Friday, temperatures as high as 77°F25°C, low temperature around 55°F13°C, chance of rain 7%, wind out of the WSW 10 mph16 km/h. Barometric pressure 29.91 in1013 mb, visibility 6 mi10 km, humidity 18%. |
| Sat, 29th Lo: 9°C48°F Hi: 23°C73°F |
Sunny Saturday, temperatures as high as 73°F23°C, low temperature around 48°F9°C, chance of rain 2%, wind out of the WSW 23 mph37 km/h. Barometric pressure 29.88 in1012 mb, visibility 6 mi10 km, humidity 23%. |
| Sun, 30th Lo: 6°C43°F Hi: 21°C70°F |
Sunny Sunday, temperatures as high as 70°F21°C, low temperature around 43°F6°C, chance of rain 1%, wind out of the WSW 11 mph18 km/h. Barometric pressure 29.97 in1015 mb, visibility 6 mi10 km, humidity 31%. |
| Mon, 31st Lo: 9°C47°F Hi: 24°C76°F |
Sunny Monday, temperatures as high as 76°F24°C, low temperature around 47°F9°C, chance of rain 1%, wind out of the WSW 21 mph34 km/h. Barometric pressure 29.85 in1011 mb, visibility 6 mi10 km, humidity 19%. |
| Tue, 1st Lo: 7°C45°F Hi: 22°C71°F |
Sunny Tuesday, temperatures as high as 71°F22°C, low temperature around 45°F7°C, wind out of the W 7 mph11 km/h. Barometric pressure 30.03 in1017 mb, visibility 6 mi10 km, humidity 24%. |
| Wed, 2nd Lo: 11°C52°F Hi: 25°C78°F |
Overcast Wednesday, temperatures as high as 78°F25°C, low temperature around 52°F11°C, chance of rain 4%, wind out of the SW 9 mph14 km/h. Barometric pressure 30.03 in1017 mb, visibility 6 mi10 km, humidity 19%. |
| Thu, 3rd Lo: 12°C54°F Hi: 26°C78°F |
Sunny Thursday, temperatures as high as 78°F26°C, low temperature around 54°F12°C, chance of rain 36%, wind out of the WSW 8 mph13 km/h. Barometric pressure 29.91 in1013 mb, visibility 6 mi10 km, humidity 24%. |
| Fri, 4th Lo: 14°C57°F Hi: 28°C82°F |
Sunny Friday, temperatures as high as 82°F28°C, low temperature around 57°F14°C, chance of rain 2%, wind out of the SW 25 mph40 km/h. Barometric pressure 29.8 in1009 mb, visibility 6 mi10 km, humidity 19%. |
| Sat, 5th Lo: 3°C38°F Hi: 18°C65°F |
Overcast Saturday, temperatures as high as 65°F18°C, low temperature around 38°F3°C, chance of rain 36%, wind out of the WSW 13 mph21 km/h. Barometric pressure 29.91 in1013 mb, visibility 6 mi10 km, humidity 35%. |
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