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Quincy Weather Forecast
| TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | THURSDAY | FRIDAY | FRIDAY NIGHT | SATURDAY | SUNDAY |
 |  |  |  | | | | | | | |
| Chance of T-Storm | Chance of Showers | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy | Clearing | Partly Cloudy | Partly Cloudy |
| Lo: 65°FLo: 18°C | Hi: 75°FHi: 24°C | Lo: 59°FLo: 15°C | Hi: 71°FHi: 22°C | Lo: 55°FLo: 13°C | Hi: 71°FHi: 22°C Lo: 55°FLo: 13°C | Hi: 71°FHi: 22°C Lo: 55°FLo: 13°C | Hi: 71°FHi: 22°C Lo: 55°FLo: 13°C | Lo: 51°FLo: 11°C | Hi: 79°FHi: 26°C Lo: 55°FLo: 13°C | Hi: 79°FHi: 26°C Lo: 55°FLo: 13°C |
| POP: 60% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 633 PM EDT Sun Sep 20 2026 
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Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 614 PM EDT Sun Sep 20 2026
Key Messages
- Scattered to numerous showers and storms late today through tonight
- An isolated severe storm with damaging winds through early evening but locally heavy rain remains the primary threat.
- Much cooler temperatures for the first half of the week, gradually warming back to near normal levels by next weekend
Discussion
(This Evening through Sunday)... Issued at 233 PM EDT Sun Sep 20 2026
A slow moving cold front will remain the focal point for periodic convection tonight into early Monday. Th...