Palo Alto Weather Current Conditions

Current

Today's Highs/Lows

Sun & Moon

Temperature

68.9°F

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Dewpoint

54.9°F Dry and Very Comfortable

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Barometer

29.863 inHg Normal

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AQI

31 Good

—PM2.5

6 µg/m³

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UV Index

4.8 Moderate

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Radiation

526 W/m² Moderate

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CO₂	434 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
61%

Wind

↑

5 mph
NE
(45°)

WeatherBoard

This Afternoon

NWS Forecast

Sunny. High near 71, with temperatures falling to around 69 in the afternoon. North northwest wind 3 to 8 mph.

Temperature	69.6 46.4	°F
Dew Point	57.5 44.5	°F
Barometer	29.920 29.860	inHg
AQI	33 13
PM 2.5	6 2	µg/m³
UV Index	5.9 0.0
Radiation	657 0	W/m²
CO₂	541 399	ppm
Rain	0.00	in
Rain Rate	0.00	in/h
Wind Max	13 47	mph °
Wind Average	1	mph
Wind RMS	2	mph
Vector Average Average Direction	1 58	mph °
Humidity	94 60	%
Heat Index	69.1	°F
Wind Chill	46.4	°F
ET	0.02 0.00	in

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

Downstream Systems