Fort Wayne, IN – Northern Indiana residents are waking up to a major fall temperature shift this week, as the National Weather Service warns of patchy frost possible by Thursday morning. After a stretch of mild rain and clouds, the region’s first true cold snap of October is expected to arrive midweek, bringing crisp mornings and cool, sunny afternoons.
According to the National Weather Service Northern Indiana, highs will fall into the 60s starting Wednesday, with morning lows dipping into the upper 30s Thursday and Friday. Gardeners and homeowners should prepare to cover sensitive plants or bring them indoors as frost formation becomes likely both mornings.
Meteorologists say Tuesday’s scattered showers and light thunderstorms will clear by afternoon, paving the way for sunny and calm weather through the weekend. “No severe weather is expected, but conditions will feel sharply cooler,” the NWS said.
Drivers on I-69 and US-30 can expect clear, dry travel conditions late this week, perfect for early leaf-peeping or pumpkin patch outings. By Friday, daytime highs will rebound to the mid-60s under bright skies—ideal for outdoor events and Halloween décor prep.
Five-Day Forecast for Fort Wayne:
- Tuesday: Showers, high 73°F
- Wednesday: Sunny, high 64°F
- Thursday: Patchy frost early, high 65°F
- Friday: Sunny, high 68°F
- Saturday: Mostly sunny, high 73°F
