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Johnson Lake, MT Weather Forecast
Johnson Lake, MT Weather Forecast Dated: 527 PM Wed Aug 19 2026 (Johnson Lake Time)
Wed, 19th Lo: 13°C56°F Hi: 31°C88°F |
Chance of showers Wednesday, temperatures as high as 88°F31°C, low temperature around 56°F13°C, chance of rain 17%, wind out of the SW 17 mph27 km/h. Barometric pressure 29.83 in1010 mb, visibility 6 mi10 km, humidity 51%. |
Thu, 20th Lo: 19°C65°F Hi: 28°C82°F |
Overcast Thursday, temperatures as high as 82°F28°C, low temperature around 65°F19°C, chance of rain 5%, wind out of the NNW 15 mph24 km/h. Barometric pressure 29.91 in1013 mb, visibility 6 mi10 km, humidity 37%. |
Fri, 21st Lo: 18°C65°F Hi: 28°C83°F |
Sunny Friday, temperatures as high as 83°F28°C, low temperature around 65°F18°C, chance of rain 2%, wind out of the ENE 11 mph18 km/h. Barometric pressure 30.03 in1017 mb, visibility 6 mi10 km, humidity 40%. |
| Sat, 22nd Lo: 18°C65°F Hi: 29°C84°F |
Overcast Saturday, temperatures as high as 84°F29°C, low temperature around 65°F18°C, chance of rain 8%, wind out of the SE 20 mph32 km/h. Barometric pressure 29.94 in1014 mb, visibility 6 mi10 km, humidity 37%. |
| Sun, 23rd Lo: 17°C63°F Hi: 31°C88°F |
Sunny Sunday, temperatures as high as 88°F31°C, low temperature around 63°F17°C, chance of rain 57%, wind out of the S 17 mph28 km/h. Barometric pressure 29.8 in1009 mb, visibility 6 mi10 km, humidity 45%. |
| Mon, 24th Lo: 20°C67°F Hi: 27°C81°F |
Sunny Monday, temperatures as high as 81°F27°C, low temperature around 67°F20°C, chance of rain 36%, wind out of the WNW 17 mph27 km/h. Barometric pressure 29.88 in1012 mb, visibility 6 mi10 km, humidity 37%. |
| Tue, 25th Lo: 20°C67°F Hi: 29°C85°F |
Sunny Tuesday, temperatures as high as 85°F29°C, low temperature around 67°F20°C, chance of rain 2%, wind out of the ESE 16 mph26 km/h. Barometric pressure 30 in1016 mb, visibility 6 mi10 km, humidity 38%. |
| Wed, 26th Lo: 20°C68°F Hi: 34°C93°F |
Sunny Wednesday, temperatures as high as 93°F34°C, low temperature around 68°F20°C, chance of rain 3%, wind out of the SSE 18 mph30 km/h. Barometric pressure 29.91 in1013 mb, visibility 6 mi10 km, humidity 29%. |
| Thu, 27th Lo: 22°C71°F Hi: 32°C90°F |
Sunny Thursday, temperatures as high as 90°F32°C, low temperature around 71°F22°C, chance of rain 5%, wind out of the SSE 16 mph26 km/h. Barometric pressure 29.83 in1010 mb, visibility 6 mi10 km, humidity 35%. |
| Fri, 28th Lo: 25°C77°F Hi: 31°C88°F |
Sunny Friday, temperatures as high as 88°F31°C, low temperature around 77°F25°C, chance of rain 3%, wind out of the NNW 15 mph24 km/h. Barometric pressure 29.8 in1009 mb, visibility 6 mi10 km, humidity 30%. |
| Sat, 29th Lo: 11°C53°F Hi: 23°C73°F |
Overcast Saturday, temperatures as high as 73°F23°C, low temperature around 53°F11°C, chance of rain 10%, wind out of the NNE 15 mph23 km/h. Barometric pressure 30.06 in1018 mb, visibility 6 mi10 km, humidity 47%. |
| Sun, 30th Lo: 12°C54°F Hi: 21°C70°F |
Sunny Sunday, temperatures as high as 70°F21°C, low temperature around 54°F12°C, chance of rain 3%, wind out of the E 14 mph23 km/h. Barometric pressure 30.09 in1019 mb, visibility 6 mi10 km, humidity 45%. |
| Mon, 31st Lo: 12°C54°F Hi: 25°C78°F |
Chance of showers Monday, temperatures as high as 78°F25°C, low temperature around 54°F12°C, chance of rain 67%, wind out of the ESE 22 mph35 km/h. Barometric pressure 29.88 in1012 mb, visibility 6 mi10 km, humidity 56%. |
| Tue, 1st Lo: 12°C54°F Hi: 22°C72°F |
Sunny Tuesday, temperatures as high as 72°F22°C, low temperature around 54°F12°C, chance of rain 36%, wind out of the NW 19 mph31 km/h. Barometric pressure 29.85 in1011 mb, visibility 6 mi10 km, humidity 54%. |
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