Pleasanton, CA 94566 Monthly Weather

Alameda County12:56 PM PDT37.67°N, 121.88°W
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October 2026

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194°/54°Avg 82°/53°
290°/58°Avg 82°/53°
396°/56°Avg 82°/52°
498°/59°Avg 82°/52°
599°/61°Avg 81°/52°
6100°/59°Avg 81°/52°
799°/60°Avg 80°/52°
899°/59°Avg 80°/52°
982°/58°Avg 80°/51°
1072°/56°Avg 80°/51°
1173°/44°Avg 79°/51°
1272°/45°Avg 79°/51°
1374°/43°Avg 78°/50°
1481°/42°Avg 78°/50°
1583°/46°Avg 78°/50°
1690°/48°Avg 77°/50°
1791°/50°Avg 77°/50°
1881°/49°Avg 77°/49°
1970°/53°Avg 76°/49°
2069°/47°Avg 76°/49°
21Avg 76°/49°
22 Showers And Thunderstorms 66°/50°Avg 75°/48°
23 Areas Of Fog then Mostly Sunny 68°/47°Avg 75°/48°
24 Sunny 72°/48°Avg 74°/48°
25 Sunny 76°/48°Avg 74°/48°
26 Mostly Sunny 72°/47°Avg 74°/47°
27 Mostly Sunny 71°/48°Avg 73°/47°
28 Mostly Sunny 71°/48°Avg 73°/47°
29 Cloudy 74°/52°Avg 72°/47°
30 Partly cloudy 73°/51°Avg 72°/46°
31Avg 71°/46°
Average high86° (normal 79°)
Average low52° (normal 51°)
Warmest / coldest100° / 42°
Precipitation0.00 in (normal 0.39 in to date)
Record high today96° (1913)
Record low today34° (1908)

Observed: Livermore, 11 km away, records since 1903. Normals 1991–2020. Climate data from NOAA's Regional Climate Centers (ACIS); recent days are preliminary. Days ahead: the forecast.

Forecasts, observations and alerts in the United States come from the National Weather Service (NOAA); radar from NOAA's Multi-Radar Multi-Sensor system; satellite imagery from NASA's Global Imagery Browse Services (GIBS) and NOAA's GOES satellites; the map from the U.S. Geological Survey's National Map; air quality from AirNow (EPA and its partners); hurricane information from the National Hurricane Center; climate normals and records from NOAA's Regional Climate Centers (ACIS). Forecasts outside the United States and the UV index: MET Norway (CC BY 4.0); observations outside the U.S.: airport reports via NOAA's Aviation Weather Center. Place names: GeoNames (CC BY 4.0). Data are copied on a schedule and may lag the sources; for warnings that affect your safety, follow your local National Weather Service office and emergency officials. Weather news is drawn from the 4Conservative index and reflects what the press published. Terms of use.