Decatur, IL
Daily Meteorological Briefing
Decatur, ILSynthesized forecast and practical day-planning insights
Expect mild and stable weather across Decatur, IL today.
Current temperature is 63°F (feels like 61°F), with daytime highs reaching 68°F and overnight lows around 60°F. Humidity is at 74%, with atmospheric pressure steady at 1023.1 hPa.
24-Hour Temperature & Rain Outlook
Hourly temperature progression and precipitation probability
逐小时预报
Next 16 Hours10天天气预报
Extended 10-day meteorological outlook
Weather Details & Observations
Real-time atmospheric measurements and environmental indicators
Air quality is ideal for outdoor activities.
Daily Lifestyle & Activity Index
Practical recommendations tailored to current local conditions
Perfect temperature and low humidity for outdoor workouts.
Dry conditions will keep your vehicle clean.
Pollen counts remain in the comfortable range.
Dry pavement and clear visibility throughout.
Sun & Moon • Celestial Dynamics
Solar orbital arc trajectory and lunar cycle visibility
Stargazing condition: Optimal Visibility