Palo Alto Weather Current Conditions

Current

Today's Highs/Lows

Sun & Moon

Temperature

56.4°F

▲

Dewpoint

46.7°F Pleasantly Mild & Balanced

▲

Barometer

30.177 inHg High

▲

AQI

17 Good

—PM2.5

3 µg/m³

▲

UV Index

1.3 Low

▲

Radiation

291 W/m² Low

▲

CO₂	451 ppm Moderately Elevated

▲

Rain Today

0.01 in

Rain Rate
0.00 in/h

24 Hour Rain

0.02 in

Humidity
70%

Wind

↑

4 mph
NNE
(22°)

WeatherBoard

This Afternoon

NWS Forecast

Mostly sunny. High near 54, with temperatures falling to around 52 in the afternoon. North northwest wind around 7 mph.

Temperature	57.9 43.5	°F
Dew Point	48.3 41.9	°F
Barometer	30.199 30.067	inHg
AQI	20 1
PM 2.5	4 0	µg/m³
UV Index	2.7 0.0
Radiation	534 0	W/m²
CO₂	491 398	ppm
Rain	0.01	in
Rain Rate	0.00	in/h
Wind Max	10 34	mph °
Wind Average	1	mph
Wind RMS	2	mph
Vector Average Average Direction	1 358	mph °
Humidity	95 64	%
Heat Index	56.5	°F
Wind Chill	43.5	°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