Palo Alto Weather Current Conditions

Current

Today's Highs/Lows

Sun & Moon

Temperature

55.0°F

▲

Dewpoint

51.8°F Pleasantly Mild & Balanced

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Barometer

29.875 inHg Normal

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AQI

12 Good

—PM2.5

2 µg/m³

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UV Index

0.0 Low

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Radiation

0 W/m² Dark/Nighttime

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CO₂	433 ppm Slightly Elevated (Typical Urban)

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Rain Today

0.02 in

Rain Rate
0.08 in/h

24 Hour Rain

0.11 in

Humidity
89%

Wind

↑

2 mph
SSE
(158°)

WeatherBoard

View

Tonight

NWS Forecast

Rain showers likely before 10pm, then showers and thunderstorms. Cloudy, with a low around 51. South southeast wind 8 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

Temperature	66.9 54.3	°F
Dew Point	56.6 50.1	°F
Barometer	29.879 29.817	inHg
AQI	14 1
PM 2.5	3 0	µg/m³
UV Index	3.3 0.0
Radiation	642 0	W/m²
CO₂	460 407	ppm
Rain	0.02	in
Rain Rate	0.08	in/h
Wind Max	17 192	mph °
Wind Average	3	mph
Wind RMS	3	mph
Vector Average Average Direction	2 175	mph °
Humidity	91 64	%
Heat Index	66.5	°F
Wind Chill	54.3	°F
ET	0.01 0.00	in

☀		☽
Rise	07:22:50 AM	Rise	05:29:44 PM
Transit	12:13:05 PM	Transit	12:09:53 AM
Set	05:03:29 PM	Set	07:58:57 AM
Daylight	09:40		Full 99% full
Azimuth	269.1°		80.2°
Altitude	-38.3°		29.1°

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