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City of Harrington, DEHarrington, DE Weather Forecast
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Harrington Weather Forecast
| TODAY | TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | LABOR DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT |
 |  | | |  |  | |  | | | | |
| Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Sunny | Partly Cloudy | Sunny | Mostly Clear | Sunny | Mostly Clear | Mostly Sunny | Partly Cloudy |
| Hi: 91°FHi: 33°C | Lo: 71°FLo: 22°C | Hi: 91°FHi: 33°C | Lo: 69°FLo: 21°C | Hi: 81°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 79°FHi: 26°C | Lo: 59°FLo: 15°C | Hi: 80°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 81°FHi: 27°C | Lo: 65°FLo: 18°C |
| POP: 50% | POP: 40% | POP: 50% | POP: 60% |
POP = Probability of Precipitation.
Weather Outlook Updated: 527 AM EDT Thu Sep 03 2026 
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Issued: 630 AM EDT Thu Sep 3 2026
Key Messages
1. Multiple rounds of heavy thunderstorms will affect the area through today into tonight bringing the threat of both severe weather and flash flooding. Additional thunderstorms are possible on Friday.
2. Hot and humid conditions are forecast across the region on Thursday.
3. The Labor Day Weekend will feature mostly dry weather with at or below normal temperatures and lower humidity.
Discussion
... KEY MESSAGE 1...Multiple rounds of heavy thunderstorms will affect the area through today...