Wednesday, November 4

UV index forecast in Santa Ana, California

Today’s forecast is not available here yet. The latest, for Wednesday, November 4, peaked at 4 (moderate) around 11 AM.

UV index right now in Santa Ana

The forecast for the current hour is unavailable. Check back for a new forecast.

Protection on Nov 410 AM–3 PMUV 3 or higher, local time
Solar noon11:36 AMwhen the sun is highest
Sunrise · sunset6:15 AM · 4:57 PMlocal time
Peak4around 11 AM

Sun protection on Wednesday, November 4

Moderate Protection needed. Seek shade during late morning through mid-afternoon. Use broad-spectrum SPF 15+ sunscreen on exposed skin and wear protective clothing, a wide-brimmed hat and sunglasses (EPA).

What the UV index scale means

Hourly UV forecast

0 3 6 8 11 7AM 1 2 9AM 3 4 11AM 4 4 1PM 3 1 3PM
Santa Ana hourly UV index, Wednesday, November 4: peaks at 4 (Moderate). Colors follow the WHO exposure categories.
HourUV indexExposure
7 AM0Low
8 AM1Low
9 AM2Low
10 AM3Moderate
11 AM4Moderate
12 PM4Moderate
1 PM4Moderate
2 PM3Moderate
3 PM1Low
 NOAA/EPA UV Index forecast for ZIP 92703, local time. Forecast retrieved Nov 4, 2026 at 11:59 AM PST.

Recent UV forecasts in Santa Ana

Across 7 available forecast dates from Oct 29, 2026 to Nov 4, 2026, the forecast peak ranged from 2 to 5 (highest on Nov 1, 2026).

DatePeak UVExposure
Wed, Nov 44Moderate
Tue, Nov 35Moderate
Mon, Nov 25Moderate
Sun, Nov 15Moderate
Sat, Oct 312Low
Fri, Oct 303Moderate
Thu, Oct 294Moderate
 Archived NOAA/EPA forecasts, not measured UV. Only available dates are shown; missing dates are not estimated.

UV index today near Santa Ana

CityDistancePeak today
Orange, CA3.7 mi—
Tustin, CA4.3 mi—
Fountain Valley, CA4.3 mi—
Costa Mesa, CA5.0 mi—
Garden Grove, CA5.6 mi—
Westminster, CA6.2 mi—
Huntington Beach, CA7.5 mi—
Irvine, CA7.5 mi—
Newport Beach, CA7.5 mi—

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