Palo Alto Weather Current Conditions

Weather • Air Quality • Seismic Activity

PaloAltoWeather.com

Current

Today's Highs/Lows

Sun & Moon

AQI

9 Good

—PM2.5

2 µg/m³

▲

UV Index

0.0 Low

▲

Temperature
56.6°F

Dew Point
51.5°F

Rain Today
0.00 in

Rain Rate
0.00 in/h

Wind
1 mph
ESE
(112°)

Humidity
83%

Heat Index
55.9°F

Wind Chill
56.6°F

24 Hour Rain

Radiation
0 W/m²

ET
0.00 in

Barometer
30.002 inHg

WeatherBoard

Tonight

NWS Forecast

Mostly clear, with a low around 54. North northeast wind 2 to 9 mph.

AQI	36 8
PM 2.5	6 2	µg/m³
UV Index	9.1 0.0
Temperature	71.7 55.8	°F
Rain	0.00	in
Rain Rate	0.00	in/h
Wind Max	16 37	mph °
Wind Average	3	mph
Wind RMS	4	mph
Vector Average Average Direction	3 24	mph °
Radiation	844 0	W/m²
Barometer	30.058 29.981	inHg
Dew Point	58.4 50.6	°F
Humidity	84 58	%
Heat Index	71.5	°F
Wind Chill	55.8	°F
ET	0.02 0.00	in

Equinox	09/22/2025 11:19:17 AM
Solstice	12/21/2025 07:02:51 AM

Downstream Systems