Palo Alto Weather Current Conditions

Current

Today's Highs/Lows

Sun & Moon

Temperature

69.0°F

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Dewpoint

50.1°F Dry and Very Comfortable

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Barometer

30.036 inHg Normal

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AQI

72 Moderate

—PM2.5

21 µg/m³

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UV Index

3.8 Moderate

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Radiation

507 W/m² Moderate

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CO₂	417 ppm Normal Background (Excellent)

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Rain Today

0.01 in

Rain Rate
0.00 in/h

24 Hour Rain

0.01 in

Humidity
51%

Wind

↑

2 mph
NW
(315°)

WeatherBoard

This Afternoon

NWS Forecast

Sunny. High near 74, with temperatures falling to around 69 in the afternoon. North northwest wind around 2 mph.

Temperature	69.0 40.3	°F
Dew Point	52.1 38.4	°F
Barometer	30.100 30.036	inHg
AQI	106 62
PM 2.5	38 15	µg/m³
UV Index	3.8 0.0
Radiation	512 0	W/m²
CO₂	551 412	ppm
Rain	0.01	in
Rain Rate	0.00	in/h
Wind Max	7 72	mph °
Wind Average	1	mph
Wind RMS	1	mph
Vector Average Average Direction	0 28	mph °
Humidity	94 51	%
Heat Index	68.0	°F
Wind Chill	40.3	°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