Weather for Hopland, California
Current Weather
Five Day Weather Forecast
Mon
H: 108°F
L: 71°F
Tue
H: 102°F
L: 58°F
Wed
H: 100°F
L: 54°F
Thu
H: 102°F
L: 52°F
Fri
H: 107°F
L: 58°F
Air Quality
Nitrogen Dioxide: 2.1 μg/m3
Sulphur Dioxide: 1.1 μg/m3
Ozone: 96 μg/m3
Astronomical
Sun Transit: 1:18 PM
Sunset: 8:21 PM
Daylight: 14 hrs 6 mins
Moon Transit: 12:00 AM
Moonset: 11:26 AM
Moon Phase: Waning Gibbous
Moon Illumination: 65.6%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM12:08 AM - 2:38 PM
Minor Periods
10:18 PM - 11:48 PM10:56 AM - 12:26 AM
Action Rating: 2 out of 5
Heat Advisory issued August 2 at 10:52PM PDT until August 3 at 10:00PM PDT by NWS San Francisco CA
Effective: Sun August 2, 2026, 10:52 PM
Expires: Mon August 3, 2026, 10:00 PM
* WHAT...High temperatures ranging from 95 to 105. * WHERE...The Santa Clara Valley and The Eastern Santa Clara Hills, The East Bay Hills and Valleys, and North Bay Interior Mountains. * WHEN...From 10 AM to 10 PM PDT Monday. * IMPACTS...This level of heat affects most individuals sensitive to heat, especially those without effective cooling and/or adequate hydration. Impacts possible in some health systems and in heat-sensitive industries.
Hydration is a critical piece to surviving the heat. Drink water, and if possible, take water to those who are vulnerable. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to the early morning or evening. Take action when you experience symptoms of heat exhaustion and/or heat stroke. Beat the heat and check the backseat! Do not leave young children or pets in unattended vehicles.Car interiors will reach lethal temperatures in a matter of minutes.
Weather Forecast
Air Quality
Nitrogen Dioxide: 3.52 μg/m3
Sulphur Dioxide: 0.77 μg/m3
Ozone: 75.25 μg/m3
Astronomical
Sun Transit: 1:18 PM
Sunset: 8:21 PM
Daylight: 14 hrs 6 mins
Moon Transit: 12:00 AM
Moonset: 11:26 AM
Moon Phase: Waning Gibbous
Moon Illumination: 65.6%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM12:08 AM - 2:38 PM
Minor Periods
10:18 PM - 11:48 PM10:56 AM - 12:26 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 3.45 μg/m3
Sulphur Dioxide: 0.93 μg/m3
Ozone: 72.5 μg/m3
Astronomical
Sun Transit: 1:18 PM
Sunset: 8:20 PM
Daylight: 14 hrs 4 mins
Moon Transit: 5:35 AM
Moonset: 12:35 AM
Moon Phase: Last Quarter
Moon Illumination: 54.6%
Best Times for Fishing or Hunting
Major Periods
5:05 AM - 7:35 AM12:55 AM - 3:25 PM
Minor Periods
12:00 AM - 12:00 AM12:05 AM - 1:35 PM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 2.24 μg/m3
Sulphur Dioxide: 0.84 μg/m3
Ozone: 73.29 μg/m3
Astronomical
Sun Transit: 1:18 PM
Sunset: 8:19 PM
Daylight: 14 hrs 2 mins
Moon Transit: 6:24 AM
Moonset: 1:46 PM
Moon Phase: Last Quarter
Moon Illumination: 43.2%
Best Times for Fishing or Hunting
Major Periods
5:54 AM - 8:24 AM1:46 PM - 4:16 PM
Minor Periods
1:16 PM - 2:46 PM12:00 AM - 12:00 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 2.65 μg/m3
Sulphur Dioxide: 0.83 μg/m3
Ozone: 69.21 μg/m3
Astronomical
Sun Transit: 1:18 PM
Sunset: 8:18 PM
Daylight: 14 hrs mins
Moon Transit: 7:18 AM
Moonset: 3:00 PM
Moon Phase: Last Quarter
Moon Illumination: 32.3%
Best Times for Fishing or Hunting
Major Periods
6:48 AM - 9:18 AM2:42 PM - 5:12 PM
Minor Periods
2:30 PM - 4:00 PM12:00 AM - 12:00 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 2.68 μg/m3
Sulphur Dioxide: 0.95 μg/m3
Ozone: 66.92 μg/m3
Astronomical
Sun Transit: 1:17 PM
Sunset: 8:17 PM
Daylight: 13 hrs 58 mins
Moon Transit: 8:17 AM
Moonset: 4:14 PM
Moon Phase: Last Quarter
Moon Illumination: 22.2%
Best Times for Fishing or Hunting
Major Periods
7:47 AM - 10:17 AM3:42 PM - 6:12 PM
Minor Periods
3:44 PM - 5:14 PM12:00 AM - 12:00 AM
Action Rating: 2 out of 5