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Napa
Temperature:
Weather Forecast
64°F
Clear
Feels like 60°F
Wind
WNW 5 km/h
Humidity
45%
Chance of rain
0%
UV index
0
Air quality: Moderate
64°F
64°F
64°F
64°F
67°F
77°F
84°F
89°F
04:00
05:00
06:00
07:00
08:00
09:00
10:00
11:00
Weather Alerts
Heat Advisory issued October 6 at 9:02PM PDT until October 8 at 10:00PM PDT by NWS San Francisco CA
* WHAT...Hot conditions with maximum temperatures in the mid-90s to near 105. Mild minimum temperatures and weak onshore flow will limit overnight relief. * WHERE...The East Bay and San Francisco Bay Shoreline, North Bay Interior Mountains and Valleys, The Santa Clara Valley and Eastern Hills, The Santa Cruz Mountains, Interior Monterey County and the Santa Lucia Range, Most of San Benito County and the Cholame Hills in Southeast Monterey County, and Southern Salinas Valley/Arroyo Seco and Lake San Antonio. * WHEN...Until 10 PM PDT Thursday. * IMPACTS...For the Heat Advisory, this level of heat affects anyone without effective cooling and/or adequate hydration. Impacts likely in some health systems, heat-sensitive industries and infrastructure.
Effective: 2026-10-06T21:02:00-07:00
Heat Advisory issued October 7 at 8:42AM PDT until October 8 at 10:00PM PDT by NWS San Francisco CA
* WHAT...Hot conditions with maximum temperatures in the mid-90s to near 105. Mild minimum temperatures and weak onshore flow will limit overnight relief. * WHERE...The East Bay and San Francisco Bay Shoreline, North Bay Interior Mountains and Valleys, The Santa Clara Valley and Eastern Hills, The Santa Cruz Mountains, Interior Monterey County and the Santa Lucia Range, Most of San Benito County and the Cholame Hills in Southeast Monterey County, and Southern Salinas Valley/Arroyo Seco and Lake San Antonio. * WHEN...Until 10 PM PDT Thursday. * IMPACTS...This level of heat affects anyone without effective cooling and/or adequate hydration. Impacts likely in some health systems, heat-sensitive industries and infrastructure.
Effective: 2026-10-07T08:42:00-07:00Temperature - Past 7 Days & Forecast
Detailed 7-Day Forecast
| Day | High | Low | Condition | Rain | Wind | Humidity | UV | Sunrise | Sunset |
|---|---|---|---|---|---|---|---|---|---|
| Thu Oct 8 | 96°F | 64°F |
Sunny |
0% | 11 km/h | 29% | 5.8 | 07:11 AM | 06:41 PM |
| Fri Oct 9 | 84°F | 58°F |
Sunny |
2% | 11 km/h | 52% | 5.2 | 07:12 AM | 06:40 PM |
| Sat Oct 10 | 71°F | 51°F |
Sunny |
5% | 20 km/h | 66% | 5.1 | 07:13 AM | 06:38 PM |
| Sun Oct 11 | 75°F | 44°F |
Sunny |
2% | 11 km/h | 56% | 4.5 | 07:14 AM | 06:37 PM |
| Mon Oct 12 | 68°F | 48°F |
Sunny |
6% | 12 km/h | 64% | 5 | 07:15 AM | 06:36 PM |
| Tue Oct 13 | 72°F | 49°F |
Sunny |
4% | 19 km/h | 60% | 6 | 07:16 AM | 06:34 PM |
| Wed Oct 14 | 75°F | 47°F |
Sunny |
3% | 8 km/h | 58% | 6 | 07:17 AM | 06:33 PM |
