Wednesday, November 4

UV index forecast in Johnston, Iowa

Today’s forecast is not available here yet. The latest, for Wednesday, November 4, peaked at 1 (low) around 1 PM.

UV index right now in Johnston

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

Protection on Nov 4Below UV 3 all dayUV 3 or higher, local time
Solar noon11:59 AMwhen the sun is highest
Sunrise · sunset6:53 AM · 5:06 PMlocal time
Peak1around 1 PM

Sun protection on Wednesday, November 4

Low No protection needed. You can safely stay outside using minimal sun protection (EPA).

What the UV index scale means

Hourly UV forecast

0 3 6 8 11 12PM 1 2PM
Johnston hourly UV index, Wednesday, November 4: peaks at 1 (Low). Colors follow the WHO exposure categories.
HourUV indexExposure
12 PM0Low
1 PM1Low
2 PM0Low
 NOAA/EPA UV Index forecast for ZIP 50131, local time. Forecast retrieved Nov 4, 2026 at 1:59 PM CST.

Recent UV forecasts in Johnston

Across 7 available forecast dates from Oct 29, 2026 to Nov 4, 2026, the forecast peak ranged from 0 to 3 (highest on Oct 29, 2026).

DatePeak UVExposure
Wed, Nov 41Low
Tue, Nov 30Low
Mon, Nov 21Low
Sun, Nov 12Low
Sat, Oct 311Low
Fri, Oct 301Low
Thu, Oct 293Moderate
 Archived NOAA/EPA forecasts, not measured UV. Only available dates are shown; missing dates are not estimated.

UV index today near Johnston

CityDistancePeak today
Urbandale, IA5.0 mi—
Ankeny, IA6.8 mi—
Des Moines, IA9.9 mi—
West Des Moines, IA9.9 mi—
Waukee, IA11 mi—

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