Hollister, California Weather
Summer heat deepens across the valleys. Day 15 of summer. Read this microseason across nine climate regions →
Hollister weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Foggy——75°54°—
- MondayJul 6Foggy——71°54°-4°
- TuesdayJul 7Foggy——81°53°+10°
- WednesdayJul 8Clear——85°52°+4°
- ThursdayJul 9Clear——88°53°+3°
- FridayJul 10Partly Cloudy——90°54°+2°
- SaturdayJul 11Overcast——91°59°+1°
AQI 34 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 10.1 µg/m³ (AQI 53) with a 0.66 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
PM × Wind × Precip
PM2.5 at 10.1 µg/m³ (AQI 53) with a 0.66 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.66
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- stagnant smoke
Trends
Seven days of AQI and PM2.5.
Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).








































If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:24 PM
- Moonset
- 11:24 AM
- In sign
- ♓︎ Pisces
Summer heat deepens across the valleys
Hollister at a glance
- Today vs. normal: 10°F below the seasonal normal for this latitude
- Last frost: March 28 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 95023
16-Day Forecast — Hollister
- Sun75°54°1%
- Mon71°54°1%
- Tue81°53°2%
- Wed85°52°0%
- Thu88°53°0%
- Fri90°54°0%
- Sat91°59°0%
- Sun77°62°2%
- Mon101°65°6%
- Tue97°65°4%
- Wed98°63°0%
- Thu102°63°1%
- Fri103°65°0%
- Sat96°64°6%
- Sun93°61°3%
- Mon92°58°3%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 5, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.
ZIP codes in Hollister
- 95023
- 95024