Weather WorldShamrock Lake, CA Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Shamrock Lake Weather Forecast
| TODAY | TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | MONDAY | MONDAY NIGHT | TUESDAY |
 | | | |  |  | | |  | |  | |
| Smoke | Smoke | Smoke | Smoke | Mostly Sunny | Partly Cloudy | Sunny | Partly Cloudy | Partly Cloudy | Mostly Clear | Mostly Clear | Sunny |
| Hi: 71°FHi: 22°C | Lo: 49°FLo: 9°C | Hi: 74°FHi: 23°C | Lo: 51°FLo: 11°C | Hi: 72°FHi: 22°C | Lo: 50°FLo: 10°C | Hi: 72°FHi: 22°C | Hi: 69°FHi: 21°C Lo: 49°FLo: 9°C | Hi: 69°FHi: 21°C Lo: 49°FLo: 9°C | Hi: 67°FHi: 19°C Lo: 47°FLo: 8°C | Hi: 67°FHi: 19°C Lo: 47°FLo: 8°C | Hi: 68°FHi: 20°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 1201 PM PDT Wed Sep 30 2026 
Shamrock Lake Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Shamrock Lake Weather Map
Shamrock Lake Quick Facts
Shamrock Lake Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 1047 AM PDT Wed Sep 30 2026
Key Messages
1. Above normal temperatures are expected in our area today, and temperatures will continue to warm through the end of the week.
2. A Moderate Heat Risk through the Central Valley is likely (50-70% chance) by Thursday with the chances increasing even further this weekend.
3. A low chance of precipitation will be in place on Sunday and Monday of next week along the Sierra Nevada crest (10-20%).
Discussion
... The cooler weather that was in place on Monday has quickly dissipated, with warm...