Weather WorldSpiller Lake, CA Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Spiller Lake Weather Forecast
| TODAY | TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | SATURDAY | SUNDAY |
 |  |  |  | | | |  | | | |
| Chance of T-Storm | Chance of Rain | Sunny | Mostly Clear | Sunny | Mostly Clear | Mostly Clear | Partly Cloudy | Mostly Clear | Mostly Clear | Mostly Clear |
| Hi: 62°FHi: 17°C | Lo: 43°FLo: 6°C | Hi: 64°FHi: 18°C | Lo: 46°FLo: 8°C | Hi: 68°FHi: 20°C | Hi: 67°FHi: 19°C Lo: 47°FLo: 8°C | Hi: 67°FHi: 19°C Lo: 47°FLo: 8°C | Lo: 46°FLo: 8°C | Hi: 62°FHi: 17°C Lo: 41°FLo: 5°C | Hi: 62°FHi: 17°C Lo: 41°FLo: 5°C | Hi: 62°FHi: 17°C Lo: 41°FLo: 5°C |
| POP: 50% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 641 AM PDT Mon Sep 21 2026 
Spiller Lake Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Spiller Lake Weather Map
Spiller Lake Quick Facts
Spiller Lake Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 310 AM PDT Mon Sep 21 2026
Key Messages
1. Minor Heat Risk through Tuesday as temperatures remain at or below seasonal normal values.
2. A disturbance will cross the region on Monday and Tuesday with a slight chance of showers and thunderstorms across the Sierra Nevada Monday afternoon.
3. A warming trend in temperatures starts on Wednesday as the region will see the return of heat during the latter part of the period. Thursday looks to be the hottest day with a greater than 70% chance of a Moderate Heat Risk. Friday also ke...