Palo Alto Weather Current Conditions

Current

Today's Highs/Lows

Sun & Moon

Temperature

65.4°F

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Dewpoint

50.2°F Dry and Very Comfortable

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Barometer

30.198 inHg High

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AQI

17 Good

—PM2.5

3 µg/m³

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UV Index

5.7 Moderate

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Radiation

456 W/m² Moderate

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CO₂	425 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
58%

Wind

↑

3 mph
NE
(45°)

WeatherBoard

This Afternoon

NWS Forecast

Sunny. High near 65, with temperatures falling to around 63 in the afternoon. West northwest wind 6 to 10 mph.

Temperature	66.8 44.0	°F
Dew Point	51.2 41.4	°F
Barometer	30.222 30.136	inHg
AQI	19 6
PM 2.5	3 1	µg/m³
UV Index	8.8 0.0
Radiation	1055 0	W/m²
CO₂	539 409	ppm
Rain	0.00	in
Rain Rate	0.00	in/h
Wind Max	9 214	mph °
Wind Average	1	mph
Wind RMS	1	mph
Vector Average Average Direction	0 272	mph °
Humidity	93 53	%
Heat Index	65.7	°F
Wind Chill	44.0	°F
ET	0.02 0.00	in

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

Downstream Systems