Palo Alto Weather Current Conditions

Weather • Air Quality • Seismic Activity

PaloAltoWeather.com

Current

Today's Highs/Lows

Sun & Moon

AQI

19 Good

—PM2.5

4 µg/m³

▲

UV Index

0.0 Low

▲

Temperature
55.4°F

Dew Point
51.0°F

Rain Today
0.00 in

Rain Rate
0.00 in/h

Wind
0 mph

Humidity
85%

Heat Index
54.6°F

Wind Chill
55.4°F

24 Hour Rain

Radiation
0 W/m²

ET
0.00 in

Barometer
29.924 inHg

WeatherBoard

Overnight

NWS Forecast

Mostly clear, with a low around 52. Northwest wind around 3 mph.

AQI	24 18
PM 2.5	4 3	µg/m³
UV Index	0.0 0.0
Temperature	56.7 55.1	°F
Rain	0.00	in
Rain Rate	0.00	in/h
Wind Max	2 20	mph °
Wind Average	0	mph
Wind RMS	0	mph
Vector Average Average Direction	0 347	mph °
Radiation	0 0	W/m²
Barometer	29.951 29.918	inHg
Dew Point	51.0 49.6	°F
Humidity	85 78	%
Heat Index	55.7	°F
Wind Chill	55.1	°F
ET	0.00 0.00	in

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

Downstream Systems