Palo Alto Weather Current Conditions

Current

Today's Highs/Lows

Sun & Moon

Temperature

66.7°F

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Dewpoint

53.3°F Dry and Very Comfortable

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Barometer

30.081 inHg Normal

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AQI

12 Good

—PM2.5

2 µg/m³

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UV Index

4.2 Moderate

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Radiation

320 W/m² Moderate

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CO₂	432 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
62%

Wind

↑

2 mph
NNE
(22°)

WeatherBoard

This Afternoon

NWS Forecast

Mostly sunny. High near 64, with temperatures falling to around 62 in the afternoon. North northwest wind around 6 mph.

Temperature	67.1 49.4	°F
Dew Point	55.1 46.9	°F
Barometer	30.108 30.024	inHg
AQI	13 3
PM 2.5	2 1	µg/m³
UV Index	6.9 0.0
Radiation	909 0	W/m²
CO₂	477 410	ppm
Rain	0.00	in
Rain Rate	0.00	in/h
Wind Max	8 318	mph °
Wind Average	1	mph
Wind RMS	1	mph
Vector Average Average Direction	0 108	mph °
Humidity	92 61	%
Heat Index	66.5	°F
Wind Chill	49.4	°F
ET	0.01 0.00	in

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

Downstream Systems