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Callao Weather Forecast
| TODAY | TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT |
 |  |  |  |  | | | | | | | |
| Chance of T-Storm | Clearing | Partly Sunny | Clear | Sunny | Mostly Clear | Sunny | Clear | Sunny | Mostly Clear | Mostly Sunny | Partly Cloudy |
| Hi: 85°FHi: 29°C | Lo: 69°FLo: 21°C | Hi: 81°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 80°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 81°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 85°FHi: 29°C | Lo: 69°FLo: 21°C | Hi: 85°FHi: 29°C | Lo: 69°FLo: 21°C |
| POP: 70% |
POP = Probability of Precipitation.
Weather Outlook Updated: 740 AM EDT Sun Sep 13 2026 
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Issued: 739 AM EDT Sun Sep 13 2026
Key Messages
1) Continued unsettled and humid today. Widespread showers and a few thunderstorms early, then scattered afternoon showers/storms possible. Mainly dry with skies clearing tonight.
2) Mainly dry with seasonable temperatures and significantly lower humidity Monday-Wednesday. Temperatures warm back above normal late in the week an upper ridge builds back into the region. Next chance for rain Fri-Sat.
Discussion
... As of 345 AM EDT Sunday...
KEY MESSAGE 1...Continued unsettled and humid tod...