Menlo Park, California Weather
Summer heat deepens across the valleys. Day 15 of summer. Read this microseason across nine climate regions →
Menlo Park weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Foggy——76°56°—
- MondayJul 6Overcast——74°53°-2°
- TuesdayJul 7Overcast——80°54°+6°
- WednesdayJul 8Clear——84°55°+4°
- ThursdayJul 9Clear——85°58°+1°
- FridayJul 10Overcast——87°58°+2°
- SaturdayJul 11Overcast——94°64°+7°
AQI 36 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 8.1 µg/m³ (AQI 45) with a 0.72 fine-to-coarse ratio and 6 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 8.1 µg/m³ (AQI 45) with a 0.72 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.72
- 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
- 11:27 PM
- Moonset
- 11:27 AM
- In sign
- ♓︎ Pisces
Summer heat deepens across the valleys
Menlo Park at a glance
- Today vs. normal: 12°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: 94025
16-Day Forecast — Menlo Park
- Sun76°56°0%
- Mon74°53°0%
- Tue80°54°0%
- Wed84°55°1%
- Thu85°58°0%
- Fri87°58°0%
- Sat94°64°1%
- Sun83°68°1%
- Mon91°67°2%
- Tue93°65°5%
- Wed92°63°1%
- Thu92°63°3%
- Fri95°68°0%
- Sat91°66°0%
- Sun88°63°3%
- Mon88°61°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 Menlo Park
- 94025
- 94026