| NWS Forecast for: Quincy IL Issued by: National Weather Service Saint Louis, MO Last Update: 10:21 pm CDT Oct 8, 2026 |  |
| Overnight: Mostly clear, with a low around 58. Southeast wind around 6 mph. Friday: Sunny, with a high near 87. Southeast wind 6 to 8 mph. Friday Night: Clear, with a low around 62. South wind 5 to 8 mph. Saturday: Increasing clouds, with a high near 84. South wind 6 to 8 mph. Saturday Night: Mostly cloudy, with a low around 59. Southeast wind 3 to 7 mph. Sunday: Sunny, with a high near 80. Sunday Night: Mostly clear, with a low around 63. Columbus Day: Sunny, with a high near 88. Monday Night: Mostly clear, with a low around 65. Tuesday: A 30 percent chance of showers, mainly after 1pm. Mostly sunny, with a high near 78. Tuesday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 59. Wednesday: A 40 percent chance of showers. Mostly cloudy, with a high near 76. Wednesday Night: A 40 percent chance of showers. Partly cloudy, with a low around 61. Thursday: A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 76. | |
| Quincy IL 39.93°N 91.38°W (Elev. 650 ft) | |
Visit your local NWS office at: https://www.weather.gov/lsx/ |
