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Township of Sparta, NJSparta, NJ Weather Forecast
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| TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY |
 |  |  |  |  | | | | | | | |
| Mostly Clear | Mostly Sunny | Chance of Showers | Showers | Partly Cloudy | Sunny | Mostly Clear | Sunny | Partly Cloudy | Mostly Sunny | Partly Cloudy | Chance of Showers |
| Lo: 51°FLo: 11°C | Hi: 79°FHi: 26°C | Lo: 65°FLo: 18°C | Hi: 79°FHi: 26°C | Lo: 59°FLo: 15°C | Hi: 71°FHi: 22°C | Lo: 49°FLo: 9°C | Hi: 71°FHi: 22°C | Lo: 55°FLo: 13°C | Hi: 79°FHi: 26°C | Lo: 59°FLo: 15°C | Hi: 79°FHi: 26°C |
| POP: 90% | POP: 90% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 400 PM EDT Fri Sep 11 2026 
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Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 823 PM EDT Fri Sep 11 2026
Key Messages
1. A round of showers and some thunderstorms with areas of heavy rain could result in some flash flooding risk late Saturday into Sunday.
2. During the latter half of next week, a slow moving cold front looks to make its way southward across the area bringing the potential for showers and storms.
Discussion
... KEY MESSAGE 1...A round of showers and some thunderstorms with areas of heavy rain could result in some flash flooding risk late Saturday into Sunday.
A front to our south will li...