Palo Alto Weather Current Conditions

Weather • Air Quality • Seismic Activity

PaloAltoWeather.com

Current

Today's Highs/Lows

Sun & Moon

AQI

21 Good

—PM2.5

4 µg/m³

▲

UV Index

0.0 Low

▲

Temperature
66.2°F

Dew Point
55.7°F

Rain Today
0.00 in

Rain Rate
0.00 in/h

Wind
3 mph
NE
(45°)

Humidity
69%

Heat Index
65.8°F

Wind Chill
66.2°F

24 Hour Rain

Radiation
16 W/m²

ET
0.00 in

Barometer
30.060 inHg

WeatherBoard

Tonight

NWS Forecast

Partly cloudy, with a low around 57. Northwest wind 3 to 10 mph.

AQI	31 12
PM 2.5	6 2	µg/m³
UV Index	9.0 0.0
Temperature	78.0 56.0	°F
Rain	0.00	in
Rain Rate	0.00	in/h
Wind Max	19 27	mph °
Wind Average	3	mph
Wind RMS	4	mph
Vector Average Average Direction	3 38	mph °
Radiation	819 0	W/m²
Barometer	30.099 30.038	inHg
Dew Point	63.4 52.8	°F
Humidity	92 55	%
Heat Index	78.2	°F
Wind Chill	56.0	°F
ET	0.03 0.00	in

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

Downstream Systems