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Palo Alto Weather Current Conditions

Weather • Air Quality • Seismic Activity

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Current Forecast Radar Gauges Graphs Highs/Lows Celestial Seismograph Reports About

Current

Today's Highs/Lows

Sun & Moon

Temperature

66.3°F

▲

Dewpoint

55.0°F Comfortable

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Barometer

30.045 inHg Normal

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AQI

27 Good

—PM2.5

5 µg/m³

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UV Index

4.9 Moderate

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Radiation

583 W/m² Moderate

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CO₂	419 ppm Normal Background (Excellent)

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Rain Today

0.00 in

Rain Rate
0.00 in/h

24 Hour Rain

0.00 in

Humidity
67%

Wind

N

E

S

W

↑

4 mph
NE
(45°)

WeatherBoard

Saturday

NWS Forecast

Sunny, with a high near 78. Northwest wind 2 to 6 mph.

Temperature	66.6 47.2	°F
Dew Point	55.5 42.8	°F
Barometer	30.048 29.950	inHg
AQI	34 16
PM 2.5	6 3	µg/m³
UV Index	4.9 0.0
Radiation	587 0	W/m²
CO₂	512 415	ppm
Rain	0.00	in
Rain Rate	0.00	in/h
Wind Max	9 34	mph °
Wind Average	0	mph
Wind RMS	1	mph
Vector Average Average Direction	0 13	mph °
Humidity	87 66	%
Heat Index	66.1	°F
Wind Chill	47.2	°F
ET	0.01 0.00	in

☀			☽
Rise	06:59:23 AM		Rise	03:13:33 PM
Transit	01:13:22 PM		Transit	10:21:53 PM
Set	07:27:58 PM		Set	04:48:28 AM
Daylight	12:28			Waxing gibbous 81% full
Azimuth	131.5°			18.5°
Altitude	44.9°			-33.2°

Solstice	06/21/2026 01:24:31 AM
Equinox	09/22/2026 05:05:09 PM

Downstream Systems

NWS	FW4751
Synoptic	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