San Luis Reservoir, CA Weather Forecast and Current Conditions

Current Conditions From Nearby Local Station

45°F
Feels Like 45°F  
Humidity N/A Dew Point N/A Wind E 2 MPH Gusts 4 Barometer N/A
Solar Rad 40 w/m2
Report from a MADIS/MESONET weather station 3.4 mi. E of central San Luis Reservoir
at

Point Forecast at a Glance

MonDec 15
Mon Dec 15: Fog, Low 42F
 
42
TueDec 16
Tue Dec 16: Fog, High 42F, Low 42F
42
42
WedDec 17
Wed Dec 17: Rain, High 46F, Low 46F
20%
46
46
ThuDec 18
Thu Dec 18: Partly Sunny, High 60F, Low 53F
60
53
FriDec 19
Fri Dec 19: Rain, High 57F, Low 55F
20%
57
55
SatDec 20
Sat Dec 20: Rain, High 59F, Low 55F
50%
59
55
SunDec 21
Sun Dec 21: Rain, High 58F, Low 54F
50%
58
54

Jump to detailed forecast ↓

7-Day Temperature Trend

Week Ahead Summary

Variable high temperatures through the week, ranging from 42°F to 60°F. Unsettled weather expected with rain likely on at least 5 days.

Climate Context

This week's forecast shows temperatures running 4°F below the historical average for December. Normal highs for this period are around 58°F with lows around 38°F.


This Date in Weather History

1901 - An intense cold front swept across the eastern U.S. The cold front produced heavy rain in Louisiana, and heavy snow in the northeastern U.S.

More on this and other weather history


San Luis Reservoir, CA 7 Day Weather Forecast Details

Monday Dec 15

Fog

Night: Patchy dense fog. Otherwise, mostly cloudy, with a low around 42. Calm wind.

Tuesday Dec 16

Fog

Day: Patchy dense fog before noon, then patchy dense fog after 5pm. Otherwise, partly sunny, with a steady temperature around 42. Calm wind becoming east around 5 mph.

Rain

Night: A 10 percent chance of rain after 4am. Patchy fog after 7pm. Otherwise, mostly cloudy, with a low around 42. Calm wind becoming west southwest around 5 mph.

Wednesday Dec 17

Rain

Day: A 20 percent chance of rain before 10am. Patchy fog before noon. Otherwise, partly sunny, with a high near 46. West southwest wind around 5 mph becoming northwest in the afternoon.

9pm And 2am

Night: Patchy fog between 9pm and 2am. Otherwise, mostly cloudy, with a low around 46. West wind around 5 mph.

Thursday Dec 18

Partly Sunny

Day: Partly sunny, with a high near 60. Calm wind becoming east southeast around 5 mph.

Mostly Cloudy

Night: Mostly cloudy, with a low around 53. South southwest wind around 5 mph.

Friday Dec 19

Rain

Day: A 20 percent chance of rain after 10am. Mostly cloudy, with a high near 57. Southwest wind around 5 mph becoming west northwest in the afternoon.

Rain

Night: A 40 percent chance of rain. Cloudy, with a low around 55. South southwest wind around 5 mph.

Saturday Dec 20

Rain

Day: A 50 percent chance of rain. Mostly cloudy, with a high near 59. South southwest wind around 5 mph becoming east southeast in the afternoon. New precipitation amounts of less than a tenth of an inch possible.

Rain

Night: A 50 percent chance of rain. Cloudy, with a low around 55. South wind around 5 mph. New precipitation amounts between a tenth and quarter of an inch possible.

Sunday Dec 21

Rain

Day: A 50 percent chance of rain. Cloudy, with a high near 58. South wind around 5 mph. New precipitation amounts between a tenth and quarter of an inch possible.

Rain

Night: A 40 percent chance of rain. Cloudy, with a low around 54. Southwest wind around 5 mph.

Monday Dec 22

Rain

Day: A 40 percent chance of rain. Cloudy, with a high near 57. Southeast wind 5 to 10 mph.

How We Provide Better Local Weather

Current conditions: We use the nearest available station to your location - including professional MESONET/MADIS and local weather stations - often miles closer than regional airports.

Forecasts: National Weather Service point forecasts predict for your specific area, not broad regional zones, making them far more relevant to your location.