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Borough of Caldwell, NJCaldwell, NJ Weather Forecast
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Caldwell Weather Forecast
| THIS AFTERNOON | TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT |
 |  |  |  | |  |  | |  | | | |
| Isolated Showers | Chance of T-Storm | Sunny | Partly Cloudy | Mostly Sunny | Chance of Showers | Showers | Showers | Chance of Showers | Chance of Showers | Chance of Showers | Chance of Showers |
| Hi: 81°FHi: 27°C | Lo: 69°FLo: 21°C | Hi: 81°FHi: 27°C | Lo: 55°FLo: 13°C | Hi: 71°FHi: 22°C | Lo: 60°FLo: 16°C | Hi: 69°FHi: 21°C | Lo: 59°FLo: 15°C | Hi: 69°FHi: 21°C | Lo: 55°FLo: 13°C | Hi: 60°FHi: 16°C | Lo: 50°FLo: 10°C |
| POP: 20% | POP: 40% | POP: 40% | POP: 90% | POP: 90% | POP: 50% | POP: 40% | POP: 50% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 243 PM EDT Thu Sep 17 2026 
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Issued: 755 PM EDT Thu Sep 17 2026
Key Messages
1) Shower chances into tonight, possibly a tstm especially NW of NYC. No impacts expected.
2) Lowering humidity during Friday with dry and pleasant weather through Saturday.
3) Wet weather expected for Saturday night into Sunday night. Conditions may remain unsettled into Monday and Tuesday.
Discussion
... .KEY MESSAGE 1... An approaching cold front will bring chance of showers, possibly a tstm especially NW of NYC, into tonight. Rainfall amounts should be fairly light and under 1/4 inch...