Palo Alto Weather Current Conditions

Current

Today's Highs/Lows

Sun & Moon

Temperature

47.6°F

▲

Dewpoint

44.5°F Dry & Crisp

▲

Barometer

30.078 inHg Normal

▲

AQI

54 Moderate

—PM2.5

11 µg/m³

▲

UV Index

0.0 Low

▲

Radiation

0 W/m² Dark/Nighttime

▲

CO₂	489 ppm Moderately Elevated

▲

Rain Today

0.00 in

Rain Rate
0.00 in/h

24 Hour Rain

0.00 in

Humidity
89%

Wind

0 mph

WeatherBoard

View

Overnight

NWS Forecast

A chance of rain. Cloudy, with a low around 46. West wind around 2 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

Temperature	47.6 43.3	°F
Dew Point	44.5 40.9	°F
Barometer	30.133 30.078	inHg
AQI	62 41
PM 2.5	15 7	µg/m³
UV Index	0.0 0.0
Radiation	0 0	W/m²
CO₂	496 452	ppm
Rain	0.00	in
Rain Rate	0.00	in/h
Wind Max	3 318	mph °
Wind Average	1	mph
Wind RMS	1	mph
Vector Average Average Direction	1 308	mph °
Humidity	91 85	%
Heat Index	46.2	°F
Wind Chill	43.3	°F
ET	0.00 0.00	in

☀		☽
Rise	07:22:22 AM	Rise	02:08:50 PM
Transit	12:11:41 PM	Transit	09:56:51 PM
Set	05:01:08 PM	Set	04:35:23 AM
Daylight	09:38		Waxing gibbous 88% full
Azimuth	99.0°		305.7°
Altitude	-27.5°		-3.6°

Equinox	03/20/2026 07:45:53 AM
Solstice	06/21/2026 01:24:31 AM

Downstream Systems

NWS	FW4751
MesoWest	F4751
PurpleAir	PaloAltoWeather.com
APRS/CWOP	F4751
UK Met Office	PaloAltoWeather.com
WOW-BE	PaloAltoWeather.com
Windy	f0634ec3
Weather Under.	KCAPALOA156
WeatherCloud	PaloAltoWeather.com
AWEKAS	16242
PWS	PALOALTOCA