UV Index Today

Real-time solar radiation monitoring

Fremont, California, United States
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Fremont

California, United States • Local time: 16:27

Live UV Index
16:00
5.3
Moderate
Peak 7.1 at 14:00

Temp

21.8°C
Sunny

Status

Sunny

Max

22.8°C

Next 3 Hours

3.7
17:00
2.0
18:00
0.7
19:00

Humidity

47%

Cloud

0%

Wind Spd

16.9km/h

"Moderate risk. Seek shade near midday."

Today's UV Forecast

Hourly prediction for Fremont · Peak 7.1 at 14:00

—
00
—
01
—
02
—
03
—
04
—
05
—
06
—
07
0.5
08
1.8
09
3.4
10
5.0
11
6.3
12
7.0
13
7.1
14
6.5
15
5.3
16
3.7
17
2.0
18
0.7
19
0.1
20
—
21
—
22
—
23

Sunburn time at UV 5.3

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

Skin type (Fitzpatrick)

Unprotected

19 min

Type II · no sunscreen

Recommended

SPF 50

Moderate UV with fair skin — use broad-spectrum SPF 50 and seek shade near midday.

With SPF 50

12+ hours

Theoretical window — apply enough and reapply every 2 hours

Quick take: Fairly short unprotected window — apply sunscreen before heading out.

Open full calculator with SPF options

Location Map

37.5037, -121.9343 · Elev. 20 m · America/Los_Angeles

Open in Google Maps

Today's UV outlook for Fremont

Today's forecast for Fremont peaks at UV 7.1 around 14:00. The hourly outlook shows 8 hours at moderate or above (UV 3+), 4 hours at high or above (UV 6+). The live reading is UV 5.3 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 .