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Clouds but High UV Risk Today in Mountain Brook

May 4, 2026 weather, forecast
Clouds but High UV Risk Today in Mountain Brook

Mountain Brook, Alabama — Overcast expected today with a high of 75°F and a low of 47°F.

Today's Forecast — Monday, May 4

  • Conditions: Overcast
  • High / Low: 75°F / 47°F
  • Wind: S 9 mph, gusts to 15 mph
  • Precipitation: 0% chance
  • UV Index: 7.8 — Very High — limit outdoor exposure
  • Sunrise / Sunset: 05:55 / 19:32
  • Daylight: 13.6 hours

What Matters Most Today

  • Sun safety: UV index reaches 7.8; sunscreen still matters even with cloud cover.
  • Best outdoor window: Morning (lowest average rain risk).

Comfort & Conditions

  • Humidity: 50%

Hour-by-Hour Breakdown

  • Morning (6AM–Noon): Overcast, 58°F, 65% humidity
  • Afternoon (Noon–6PM): Overcast, 73°F, 38% humidity
  • Evening (6PM–Midnight): Clear sky, 65°F, 50% humidity

Air Quality & Allergens

  • Air Quality Index: 53 (peak 90) — Moderate
  • Acceptable air quality; some pollutants may be a concern for sensitive individuals.
  • PM2.5: 12.0 µg/m³

Tomorrow's Outlook

Overcast with a high of 76°F and a low of 53°F.

Forecast data provided by Open-Meteo. Air quality data from Open-Meteo Air Quality API. For severe weather alerts, visit your local National Weather Service office.