Johnston Lake, CA 7-Day Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon


Johnston Lake Weather Forecast


Johnston Lake, CA Weather Forecast Date: 1141 AM PDT Mon Oct 19 2026
Weather forecast for Johnston Lake, CA
| Today Hi: 53°FHi: 12°C Lo: 35°F Lo: 2°C |
Today... Sunny. Highs 44 to 60. South winds up to 10 mph shifting to the southwest in the afternoon. Gusts up to 30 mph. |
| Tue Hi: 51°FHi: 11°C Lo: 36°F Lo: 2°C |
Tuesday... Mostly sunny. Highs 42 to 58. South winds up to 10 mph with gusts to around 25 mph. |
| Wed Hi: 46°FHi: 8°C Lo: 33°F Lo: 1°C |
Wednesday... Rain showers and snow showers in the afternoon. Light snow accumulations. Snow level above 8000 feet. Highs 37 to 53. East winds up to 10 mph shifting to the south in the afternoon. Gusts up to 25 mph. Chance of precipitation 90%. |
| Thu Hi: 39°FHi: 4°C Lo: 29°F Lo: -2°C |
Thursday... Snow and rain likely in the morning, then rain showers and snow showers in the afternoon. Moderate snow accumulations. Highs 31 to 45. Chance of precipitation 90%. |
| Fri Hi: 47°FHi: 8°C Lo: 30°F Lo: -1°C |
Friday... Mostly clear. Highs 36 to 57. Lows 22 to 37. |
| Sat Hi: 47°FHi: 8°C Lo: 30°F Lo: -1°C |
Saturday... Mostly clear. Highs 36 to 57. Lows 22 to 37. |
| Sun Hi: 47°FHi: 8°C Lo: 30°F Lo: -1°C |
Sunday... Mostly clear. Highs 36 to 57. Lows 22 to 37. |
Johnston Lake Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Weather World