Weather forecast for: Bethalto IL
Last Update: 4:51 pm CST Nov 5, 2026
Tonight: Patchy drizzle. Cloudy, with a low around 44. Northwest wind 6 to 8 mph.
Friday: Patchy drizzle before 11am. Cloudy through mid morning, then gradual clearing, with a high near 50. North wind 8 to 11 mph.
Friday Night: Mostly clear, with a low around 32. North wind around 6 mph becoming calm in the evening.
Saturday: Sunny, with a high near 54. Calm wind becoming northwest around 5 mph.
Saturday Night: Mostly clear, with a low around 32. Calm wind.
Sunday: Sunny, with a high near 61.
Sunday Night: Clear, with a low around 36.
Monday: Sunny, with a high near 66.
Monday Night: Clear, with a low around 40.
Tuesday: Sunny, with a high near 66.
Tuesday Night: Mostly clear, with a low around 38.
Veterans Day: Sunny, with a high near 64.
Wednesday Night: Mostly clear, with a low around 39.
Thursday: Sunny, with a high near 62.