Summit forecast, next 72 hours
- New snow0 in
- Strongest gusts25 mphTuesday
- Coldest46°F
| Forecast | Snow | Gusts | Temp °F |
|---|---|---|---|
| Columbus DaySunny | 0 in | 20 mph | High 66° |
| TonightMostly Clear | 0 in | 20 mph | Low 45° |
| TuesdaySunny | 0 in | 25 mph | High 69° |
| Tuesday NightClear | 0 in | 15 mph | Low 48° |
| WednesdaySunny | 0 in | 15 mph | High 73° |
| Wednesday NightClear | 0 in | 15 mph | Low 52° |
Snow is the forecast new accumulation at the summit grid point. Dots use Road Travel’s driving-risk scale.
Typical weather by month
Monthly normals from the long-term stations nearest the summit. None sits exactly on the pass, so each column says how far away and how high it is.
| Month | San Luis Dam 277 ft · 9 mi east of the summit | Los Banos Detention Reservoir 407 ft · 17 mi east of the summit | ||
|---|---|---|---|---|
| High / low °F | Snow (in) | High / low °F | Snow (in) | |
| Jan | 56° / 39° | 0.1 | 56° / 41° | 0 |
| Feb | 62° / 43° | 0 | 61° / 43° | 0 |
| Mar | 67° / 47° | 0 | 67° / 47° | 0 |
| Apr | 73° / 50° | 0 | 73° / 50° | 0 |
| May | 80° / 56° | 0 | 81° / 56° | 0 |
| Jun | 88° / 60° | 0 | 89° / 61° | 0 |
| Jul | 93° / 65° | 0 | 95° / 66° | 0 |
| Aug | 93° / 64° | 0 | 94° / 65° | 0 |
| Sep | 89° / 61° | 0 | 90° / 62° | 0 |
| Oct | 79° / 54° | 0 | 79° / 55° | 0 |
| Nov | 66° / 45° | 0 | 66° / 46° | 0 |
| Dec | 57° / 39° | 0 | 56° / 39° | 0 |
NOAA NCEI U.S. Climate Normals, 1991–2020: SAN LUIS DAM (USC00047846, 277 ft); LOS BANOS DET RESV (USC00045120, 407 ft). Snow days are days with at least 1 inch of new snow. “—” means the station does not publish that normal.
Cameras, road reports and winter rules
Conditions on the pass change by the hour, so these go straight to the official sources.
- For this passCaltrans SR-152 highway conditions
- California · CaltransQuickMap conditions and cameras
- California · winter rulesChain controls
Check the official National Weather Service forecast for the summit and the road report before you leave.
Crossing Pacheco Pass? See the summit at the hour you’ll be there
Road Travel times the forecast to your drive, so you see conditions at the summit when you will actually reach it, and get alerts about weather ahead on the way.
Questions about Pacheco Pass
How high is Pacheco Pass?
The summit is 1,368 ft above sea level, on CA-152.
How far is Pacheco Pass from Gilroy and Los Banos?
By road, the summit is 26 miles from Gilroy, CA and 23 miles from Los Banos, CA.
What is the snowiest month near Pacheco Pass?
January. San Luis Dam (277 ft, 9 mi east of the summit) averages 0.1 inches of snow that month (1991–2020 normals).
How cold does it get near Pacheco Pass?
The coldest month is January. San Luis Dam (277 ft, 9 mi east of the summit) averages a low of 39°F then (1991–2020 normals); the summit is 1,091 ft higher.