Palo Alto Weather Current Conditions

Current

Today's Highs/Lows

Sun & Moon

Temperature

67.5°F

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Dewpoint

49.2°F Extremely Comfortable

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Barometer

30.183 inHg High

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AQI

66 Moderate

—PM2.5

18 µg/m³

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UV Index

4.0 Moderate

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Radiation

519 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
52%

Wind

↑

3 mph
ESE
(112°)

WeatherBoard

Wednesday

NWS Forecast

Sunny. High near 72, with temperatures falling to around 68 in the afternoon. North northeast wind around 3 mph.

Temperature	67.8 38.4	°F
Dew Point	49.7 36.6	°F
Barometer	30.285 30.183	inHg
AQI	74 55
PM 2.5	21 11	µg/m³
UV Index	4.0 0.0
Radiation	524 0	W/m²
CO₂	549 386	ppm
Rain	0.00	in
Rain Rate	0.00	in/h
Wind Max	7 25	mph °
Wind Average	1	mph
Wind RMS	1	mph
Vector Average Average Direction	0 61	mph °
Humidity	94 52	%
Heat Index	66.7	°F
Wind Chill	38.4	°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