
Severe Thunderstorm and Heavy Rainfall Threat Tonight; Heat Continues on Tuesday Across the Eastern U.S.
Severe weather and flash flooding threats continue across the Central Plains and Midwest into tonight. Very large hail, strong tornadoes and damaging winds are expected. An early season heat wave will continue to challenge temperature records across the eastern U.S. through Wednesday. Read More >
Current conditions at
DIABLO GRANDE (DBLC1)
Lat: 37.32927°NLon: 121.29538°WElev: 1861.0ft.NA
68°F
20°C
| Humidity | 15% |
| Wind Speed | NW 6 MPH |
| Barometer | NA |
| Dewpoint | 19°F (-7°C) |
| Visibility | NA |
| Last update | 19 May 12:00 AM PDT |
Extended Forecast for
12 Miles SSE Tracy CA
Overnight

Low: 62 °F
Clear
Tuesday

High: 88 °F
Sunny
Tuesday Night

Low: 65 °F
Mostly Clear
Wednesday

High: 92 °F
Sunny
Wednesday Night

Low: 66 °F
Mostly Clear
Thursday

High: 95 °F
Sunny
Thursday Night

Low: 66 °F
Clear
Friday

High: 94 °F
Sunny
Friday Night

Low: 61 °F
Clear
Detailed Forecast
Overnight
Clear, with a low around 62. West wind 11 to 14 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 88. North northwest wind 8 to 11 mph, with gusts as high as 18 mph.
Tuesday Night
Mostly clear, with a low around 65. Northwest wind 5 to 9 mph becoming light and variable after midnight.
Wednesday
Sunny, with a high near 92. Calm wind becoming north around 6 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 66. West northwest wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 18 mph.
Thursday
Sunny, with a high near 95.
Thursday Night
Clear, with a low around 66.
Friday
Sunny, with a high near 94.
Friday Night
Clear, with a low around 61.
Saturday
Sunny, with a high near 90.
Saturday Night
Clear, with a low around 58.
Sunday
Sunny, with a high near 88.
Sunday Night
Mostly clear, with a low around 58.
Memorial Day
Sunny, with a high near 88.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
12 Miles SSE Tracy CA
37.58°N 121.33°W (Elev. 384 ft)
37.58°N 121.33°W (Elev. 384 ft)
11:31 pm PDT May 18, 2026
12am PDT May 19, 2026-6pm PDT May 25, 2026


