Palo Alto Weather Current Conditions

Current

Today's Highs/Lows

Sun & Moon

Temperature

53.9°F

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Dewpoint

31.9°F Dry/Moisture Depleted

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Barometer

30.031 inHg Normal

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AQI

19 Good

—PM2.5

3 µg/m³

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UV Index

0.0 Low

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Radiation

0 W/m² Dark/Nighttime

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CO₂	417 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
43%

Wind

0 mph

WeatherBoard

Overnight

NWS Forecast

Clear. Low around 46, with temperatures rising to around 48 overnight. North northwest wind around 5 mph.

Temperature	54.7 52.0	°F
Dew Point	37.0 30.9	°F
Barometer	30.043 30.028	inHg
AQI	20 17
PM 2.5	4 3	µg/m³
UV Index	0.0 0.0
Radiation	0 0	W/m²
CO₂	430 411	ppm
Rain	0.00	in
Rain Rate	0.00	in/h
Wind Max	7 338	mph °
Wind Average	1	mph
Wind RMS	1	mph
Vector Average Average Direction	1 290	mph °
Humidity	55 41	%
Heat Index	51.9	°F
Wind Chill	52.0	°F
ET	0.00 0.00	in

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

Downstream Systems