Atherton, California Weather
Summer heat deepens across the valleys. Day 15 of summer. Read this microseason across nine climate regions →
Atherton weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast——80°57°—
- MondayJul 6Overcast——77°54°-3°
- TuesdayJul 7Overcast——75°51°-2°
- WednesdayJul 8Overcast——83°50°+8°
- ThursdayJul 9Overcast——77°51°-6°
- FridayJul 10Overcast——87°50°+10°
- SaturdayJul 11Overcast——89°53°+2°
AQI 26 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points).
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
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
- 11:27 PM
- Moonset
- 11:27 AM
- In sign
- ♓︎ Pisces
Summer heat deepens across the valleys
Atherton at a glance
- Today vs. normal: 9°F below the seasonal normal for this latitude
- Last frost: April 1 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 94027
16-Day Forecast — Atherton
- Sun80°57°0%
- Mon77°54°0%
- Tue75°51°0%
- Wed83°50°1%
- Thu77°51°0%
- Fri87°50°0%
- Sat89°53°0%
- Sun92°54°1%
- Mon96°60°2%
- Tue98°59°6%
- Wed85°58°1%
- Thu94°66°3%
- Fri102°66°0%
- Sat104°63°0%
- Sun96°55°3%
- Mon85°53°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 Atherton
- 94027