| NWS Forecast for: Jay County Issued by: National Weather Service Northern Indiana Last Update: 613 AM EDT Sun Oct 4 2026 |  |
| Today: Sunny. Highs in the lower 70s. West winds around 5 mph. Tonight: Mostly clear. Lows in the mid 40s. Northwest winds around 5 mph. Monday: Sunny. Highs in the mid 60s. North winds around 5 mph. Monday Night: Clear. Lows around 40. North winds around 5 mph in the evening, becoming light and variable. Tuesday: Sunny. Highs in the upper 60s. South winds around 5 mph. Tuesday Night: Clear. Lows in the upper 40s. Wednesday: Mostly sunny. Highs in the mid 70s. Wednesday Night: Mostly clear. Lows in the upper 40s. Thursday: Mostly sunny. Highs in the lower 70s. Thursday Night: Mostly clear. Lows in the upper 40s. Friday: Mostly sunny. Highs in the lower 70s. Friday Night: Mostly clear. Lows in the upper 40s. Saturday: Mostly sunny. Highs in the mid 70s. | |
| Zone Forecast: Jay County | |
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