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Mountain Brook Weather: Light drizzle, High of 75°F
May 9, 2026
weather, forecast
Mountain Brook, Alabama — Light drizzle expected today with a high of 75°F and a low of 57°F.
Today's Forecast — Saturday, May 9
- Conditions: Light drizzle
- High / Low: 75°F / 57°F
- Wind: SW 8 mph, gusts to 17 mph
- Precipitation: 30% chance, 0.03 inches expected over 2 hours
- UV Index: 5.8 — High — sunscreen recommended
- Sunrise / Sunset: 05:51 / 19:35
- Daylight: 13.7 hours (1.0 hours of sunshine expected)
What Matters Most Today
- Feels-like swing: up to 80°F.
- Sky cover: mostly cloudy (97% average cloud cover), but low rain risk.
- Best outdoor window: Evening (lowest average rain risk).
Comfort & Conditions
- Feels Like: 56°F to 80°F (wind chill / heat index)
- Humidity: 75%
- Visibility: As low as 0.2 miles
Hour-by-Hour Breakdown
- Morning (6AM–Noon): Overcast, 64°F, 28% chance of precipitation, 91% humidity
- Afternoon (Noon–6PM): Overcast, 74°F, 64% humidity
- Evening (6PM–Midnight): Overcast, 69°F, 76% humidity
Air Quality & Allergens
- Air Quality Index: 42 (peak 66) — Moderate
- Acceptable air quality; some pollutants may be a concern for sensitive individuals.
- PM2.5: 14.7 µg/m³
Tomorrow's Outlook
Heavy rain with a high of 80°F and a low of 62°F. 19% chance of precipitation.
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.