Weather WorldJohnson Lake, MT 7-Day Weather Forecast
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Johnson Lake Weather Forecast
Johnson Lake, MT Weather Forecast Date: 1235 AM MDT Thu Aug 20 2026
Weather forecast for Johnson Lake, MT
Tonight Lo: 55°F Lo: 13°C |
Tonight... Partly cloudy. Lows in the mid 50s. Northwest wind around 5 mph. |
Thu Hi: 81°FHi: 27°C Lo: 55°F Lo: 13°C |
Thursday... Mostly sunny. Highs in the lower 80s. Northwest wind 10 to 15 mph. |
Fri Hi: 81°FHi: 27°C Lo: 55°F Lo: 13°C |
Friday... A slight chance of showers in the morning, then sunny in the afternoon. Highs in the lower 80s. North wind 5 to 10 mph. Chance of rain 20%. |
| Sat Hi: 81°FHi: 27°C Lo: 60°F Lo: 16°C |
Saturday... Mostly sunny. Highs in the lower 80s. |
Sun Hi: 85°FHi: 29°C Lo: 60°F Lo: 16°C |
Sunday... A chance of showers with a slight chance of thunderstorms. Highs in the mid 80s. |
| Mon Hi: 85°FHi: 29°C Lo: 55°F Lo: 13°C |
Monday... Mostly sunny and breezy. Highs in the mid 80s. |
| Tue Hi: 80°FHi: 27°C Lo: 55°F Lo: 13°C |
Tuesday... Mostly clear. Lows in the mid 50s. Highs around 80. |
| Tue Hi: 80°FHi: 27°C Lo: 55°F Lo: 13°C |
Tuesday... Mostly clear. Lows in the mid 50s. Highs around 80. |
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