Calistoga, CA Monthly Weather

Napa County3:45 AM PDT38.58°N, 122.58°WElevation 348 ft
← September

October 2026

Sun
Mon
Tue
Wed
Thu
Fri
Sat
193°/48°Avg 81°/51°
294°/49°Avg 81°/51°
3103°/54°Avg 81°/51°
495°/60°Avg 80°/50°
599°/57°Avg 80°/50°
6102°/54°Avg 80°/50°
795°/50°Avg 80°/50°
896°/49°Avg 79°/50°
976°/52°Avg 79°/50°
1077°/51°Avg 79°/50°
1174°/50°Avg 79°/49°
1274°/42°Avg 78°/49°
1381°/41°Avg 78°/49°
14Avg 78°/49°
15Avg 78°/49°
16Avg 77°/49°
17Avg 77°/48°
18Avg 77°/48°
19Avg 76°/48°
20Avg 76°/48°
21Avg 76°/48°
22Avg 75°/48°
23Avg 75°/47°
24 Sunny 75°/44°Avg 74°/47°
25 Mostly Sunny 73°/41°Avg 74°/47°
26 Patchy Fog then Sunny 69°/40°Avg 74°/47°
27 Patchy Fog then Mostly Sunny 69°/42°Avg 73°/47°
28 Patchy Fog then Mostly Sunny 67°/43°Avg 73°/46°
29 Areas Of Fog then Slight Chance Light Rain 64°/42°Avg 72°/46°
30 Chance Light Rain 63°/–Avg 72°/46°
31 Sunny 67°/43°Avg 72°/46°
Average high89° (normal 80°)
Average low51° (normal 50°)
Warmest / coldest103° / 41°
Precipitation0.00 in (normal 0.50 in to date)

Observed: Healdsburg, 26 km away, records since 1897. 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.