Somerville, NJ Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Somerville Weather Forecast
| TODAY | TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT |
| Chance of T-Storm | Chance of T-Storm | Chance of Showers | Chance of Showers | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Chance of Showers |
| Hi: 85°FHi: 29°C | Lo: 65°FLo: 18°C | Hi: 81°FHi: 27°C | Lo: 69°FLo: 21°C | Hi: 89°FHi: 32°C | Lo: 69°FLo: 21°C | Hi: 85°FHi: 29°C | Lo: 69°FLo: 21°C | Hi: 85°FHi: 29°C | Lo: 65°FLo: 18°C | Hi: 80°FHi: 27°C | Lo: 61°FLo: 16°C |
| POP: 50% | POP: 60% | POP: 30% | POP: 50% | POP: 50% | POP: 50% | POP: 50% | POP: 50% | POP: 60% | POP: 60% | POP: 30% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 426 AM EDT Sun Aug 30 2026 

Somerville Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Somerville Weather Map
Somerville Quick Facts
Somerville Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 324 PM EDT Sun Aug 30 2026
Key Messages
1. Scattered showers and thunderstorms are possible across portions of eastern Pennsylvania and New Jersey into tonight. Temperatures will be warmer with increasing humidity as well.
2. Heat and humidity will build into the middle of the week, along with daily chances for showers and thunderstorms. There is an increasing threat of severe thunderstorms and potentially flash flooding during the middle of the week, namely Tuesday through Thursday.
Discussion
... KEY MESSAGE 1...Scattered s...
Weather World