National Weather Service

News Headlines

Historic April 21st 2026 Tornado Event

Current conditions at

Merced / Castle Air Force Base (KMER)

Lat: 37.36667°NLon: 120.56667°WElev: 187.0ft.

Clear

N/A

Humidity	NA
Wind Speed	NNW 6 MPH
Barometer	NA
Dewpoint	N/A
Visibility	10.00 mi
Last update	NA

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

6 Miles WNW Merced CA

Overnight
Low: 48 °F
Mostly Clear
Tuesday
High: 73 °F
Sunny
Tuesday Night
Low: 46 °F
Mostly Clear
Veterans Day
High: 76 °F
Sunny
Wednesday Night
Low: 47 °F
Mostly Clear
Thursday
High: 77 °F
Sunny
Thursday Night
Low: 49 °F
Partly Cloudy
Friday
High: 71 °F
Chance Rain
then Showers
Likely
Friday Night
Low: 49 °F
Showers
Likely

Detailed Forecast

Overnight

Mostly clear, with a low around 48. Calm wind.

Tuesday

Sunny, with a high near 73. Calm wind becoming north northwest around 5 mph.

Tuesday Night

Mostly clear, with a low around 46. Calm wind.

Veterans Day

Sunny, with a high near 76. Calm wind becoming south southeast around 5 mph in the morning.

Wednesday Night

Mostly clear, with a low around 47. Calm wind.

Thursday

Sunny, with a high near 77. Calm wind becoming southeast around 5 mph in the morning.

Thursday Night

Partly cloudy, with a low around 49. South wind around 5 mph becoming calm.

Friday

A chance of rain between 10am and 4pm, then showers likely and possibly a thunderstorm after 4pm. Partly sunny, with a high near 71. South southeast wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Friday Night

Showers likely and possibly a thunderstorm before 10pm, then a chance of rain after 10pm. Mostly cloudy, with a low around 49. South southeast wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Saturday

Mostly sunny, with a high near 68. South wind around 5 mph becoming west southwest in the afternoon.

Saturday Night

Mostly cloudy, with a low around 48. West northwest wind around 5 mph becoming calm.

Sunday

A 40 percent chance of rain. Mostly cloudy, with a high near 64. Southeast wind around 5 mph, with gusts as high as 15 mph.

Sunday Night

Rain likely. Mostly cloudy, with a low around 46. Northwest wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

Monday

A 30 percent chance of rain. Mostly sunny, with a high near 60. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.