Palo Alto Weather Current Conditions

Current

Today's Highs/Lows

Sun & Moon

Temperature

68.1°F

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Dewpoint

53.2°F Dry and Very Comfortable

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Barometer

30.123 inHg High

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AQI

66 Moderate

—PM2.5

17 µg/m³

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UV Index

3.7 Moderate

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Radiation

497 W/m² Moderate

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CO₂	435 ppm Slightly Elevated (Typical Urban)

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Rain Today

0.00 in

Rain Rate
0.00 in/h

24 Hour Rain

0.01 in

Humidity
59%

Wind

↑

2 mph
NE
(45°)

WeatherBoard

Today

NWS Forecast

Sunny. High near 68, with temperatures falling to around 65 in the afternoon. Northwest wind 1 to 5 mph.

Temperature	68.3 44.8	°F
Dew Point	54.0 42.8	°F
Barometer	30.152 30.034	inHg
AQI	84 58
PM 2.5	27 13	µg/m³
UV Index	3.8 0.0
Radiation	501 0	W/m²
CO₂	650 424	ppm
Rain	0.00	in
Rain Rate	0.00	in/h
Wind Max	8 39	mph °
Wind Average	1	mph
Wind RMS	1	mph
Vector Average Average Direction	0 25	mph °
Humidity	93 57	%
Heat Index	67.6	°F
Wind Chill	44.8	°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