Palo Alto Weather Current Conditions

Current

Today's Highs/Lows

Sun & Moon

Temperature

51.9°F

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Dewpoint

47.8°F Dry & Crisp

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Barometer

29.989 inHg Normal

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AQI

57 Moderate

—PM2.5

13 µg/m³

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UV Index

0.8 Low

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Radiation

78 W/m² Dark/Nighttime

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CO₂	470 ppm Moderately Elevated

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Rain Today

0.03 in

Rain Rate
0.00 in/h

24 Hour Rain

0.03 in

Humidity
86%

Wind

↑

1 mph
NNW
(338°)

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This Afternoon

NWS Forecast

Rain. Cloudy. High near 55, with temperatures falling to around 53 in the afternoon. North wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Temperature	52.1 43.3	°F
Dew Point	48.5 40.9	°F
Barometer	30.133 29.984	inHg
AQI	63 41
PM 2.5	16 7	µg/m³
UV Index	0.9 0.0
Radiation	95 0	W/m²
CO₂	546 452	ppm
Rain	0.03	in
Rain Rate	0.00	in/h
Wind Max	3 318	mph °
Wind Average	1	mph
Wind RMS	1	mph
Vector Average Average Direction	0 303	mph °
Humidity	91 85	%
Heat Index	51.1	°F
Wind Chill	43.3	°F
ET	0.00 0.00	in

☀		☽
Rise	07:22:24 AM	Rise	02:08:52 PM
Transit	12:11:41 PM	Transit	09:56:51 PM
Set	05:01:06 PM	Set	04:35:20 AM
Daylight	09:38		Waxing gibbous 91% full
Azimuth	192.6°		45.6°
Altitude	28.5°		-11.2°

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