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