Palo Alto Weather Current Conditions

Current

Today's Highs/Lows

Sun & Moon

Temperature

66.3°F

▲

Dewpoint

51.1°F Dry and Very Comfortable

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Barometer

29.914 inHg Normal

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AQI

23 Good

—PM2.5

4 µg/m³

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UV Index

4.4 Moderate

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Radiation

563 W/m² Moderate

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CO₂	430 ppm Slightly Elevated (Typical Urban)

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Rain Today

0.00 in

Rain Rate
0.00 in/h

24 Hour Rain

0.00 in

Humidity
58%

Wind

↑

1 mph
NE
(45°)

WeatherBoard

Monday

NWS Forecast

Mostly sunny. High near 72, with temperatures falling to around 70 in the afternoon. West wind 5 to 13 mph, with gusts as high as 23 mph.

Temperature	66.9 49.3	°F
Dew Point	51.1 44.7	°F
Barometer	29.922 29.862	inHg
AQI	39 12
PM 2.5	7 2	µg/m³
UV Index	4.5 0.0
Radiation	568 0	W/m²
CO₂	432 407	ppm
Rain	0.00	in
Rain Rate	0.00	in/h
Wind Max	4 18	mph °
Wind Average	0	mph
Wind RMS	0	mph
Vector Average Average Direction	0 130	mph °
Humidity	85 53	%
Heat Index	65.9	°F
Wind Chill	49.3	°F
ET	0.01 0.00	in

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

Downstream Systems