UV Index Today

Real-time solar radiation monitoring

Vallejo, California, United States
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Vallejo

California, United States • Local time: 18:51

Live UV Index
18:00
1.7
Low
Peak 6.4 at 14:00

Temp

34.8°C
Cloudy

Status

Cloudy

Max

37.1°C

Next 3 Hours

0.6
19:00
0.1
20:00
0.0
21:00

Humidity

20%

Cloud

100%

Wind Spd

10.5km/h

"Low risk. Minimal protection needed."

Today's UV Forecast

Hourly prediction for Vallejo · Peak 6.4 at 14:00

—
00
—
01
—
02
—
03
—
04
—
05
—
06
—
07
0.4
08
1.6
09
3.1
10
4.7
11
5.6
12
6.2
13
6.4
14
6.0
15
4.8
16
3.3
17
1.7
18
0.6
19
0.1
20
—
21
—
22
—
23

Sunburn time at UV 1.7

Estimate for Vallejo based on your skin type. Estimates only — not medical advice.

Skin type (Fitzpatrick)

Unprotected

59 min

Type II · no sunscreen

Recommended

SPF 15+

UV is low, but fair skin still benefits from light protection for longer outings.

With SPF 15+

12+ hours

Theoretical window — apply enough and reapply every 2 hours

Quick take: Moderate unprotected window — still use SPF for midday outdoor time.

Open full calculator with SPF options

Location Map

38.1068, -122.2494 · Elev. 9 m · America/Los_Angeles

Open in Google Maps

Today's UV outlook for Vallejo

Today's forecast for Vallejo peaks at UV 6.4 around 14:00. The hourly outlook shows 8 hours at moderate or above (UV 3+), 3 hours at high or above (UV 6+). The live reading is UV 1.7 right now.

Peak UV reaches the high band today. Plan longer outdoor sessions earlier or later if you can, and use the calculator below to see how long unprotected skin may last at the current reading.

Compare with other cities in California, or read practical planning notes in the blog .