Palo Alto Weather Current Conditions

Current

Today's Highs/Lows

Sun & Moon

Temperature

64.8°F

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Dewpoint

58.1°F Comfortable

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AQI

38 Good

—PM2.5

7 µg/m³

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UV Index

0.0 Low

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CO₂	462 ppm Elevated Local Concentration

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Rain Today
0.01 in

24 Hour Rain

Rain Rate
0.00 in/h

Humidity
79%

Wind
0 mph

Heat Index
64.7°F

Radiation
0 W/m²

Wind Chill
64.8°F

ET
0.00 in

Barometer
29.993 inHg

WeatherBoard

This Afternoon

NWS Forecast

Sunny. High near 75, with temperatures falling to around 69 in the afternoon. North northwest wind around 7 mph.

AQI	29 29
PM 2.5	9 2	µg/m³
UV Index	4.5 0.0
CO₂	517 416	ppm
Temperature	75.9 48.1	°F
Rain	0.01	in
Rain Rate	0.00	in/h
Wind Max	9 40	mph °
Wind Average	1	mph
Wind RMS	1	mph
Vector Average Average Direction	1 42	mph °
Radiation	522 0	W/m²
Barometer	30.132 29.989	inHg
Dew Point	60.8 46.5	°F
Humidity	96 53	%
Heat Index	75.8	°F
Wind Chill	48.1	°F
ET	0.01 0.00	in

Solstice	12/21/2025 07:02:51 AM
Equinox	03/20/2026 07:45:53 AM

Downstream Systems