Weather WorldMonument Lake, CA Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Monument Lake Weather Forecast
| TODAY | TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | SATURDAY |
 |  | | | |  | | |  | | | |
| Sunny | Clear | Mostly Sunny | Mostly Clear | Mostly Sunny | Snow and Rain | Snow and Rain | Snow and Rain | Snow Showers | Snow and Rain | Mostly Clear | Mostly Clear |
| Hi: 59°FHi: 15°C | Lo: 37°FLo: 3°C | Hi: 53°FHi: 12°C | Lo: 35°FLo: 2°C | Hi: 50°FHi: 10°C | Lo: 35°FLo: 2°C | Hi: 44°FHi: 7°C | Lo: 31°FLo: -1°C | Hi: 39°FHi: 4°C | Lo: 28°FLo: -2°C | Hi: 45°FHi: 7°C Lo: 29°FLo: -2°C | Hi: 45°FHi: 7°C Lo: 29°FLo: -2°C |
| POP: 50% | POP: 70% | POP: 90% | POP: 80% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1142 AM PDT Sun Oct 18 2026 
Monument Lake Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Monument Lake Weather Map
Monument Lake Quick Facts
Monument Lake Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 213 PM PDT Sun Oct 18 2026
Discussion
...
Cooling begins in earnest as a developing, strengthening storm Monday, west of Vancouver island, imbues an unsettled weather pattern later this week. Although timing of the rainfall has become clearer, late Wednesday afternoon through Thursday, the ensemble members with the most extreme amounts of precipitation have calmed. Nonetheless, local effects due to topography and wind direction/strength will have a lot to do with where the axis of heavy/training rainfall sets up. This is a ...