Onset, MA 7-Day Weather Forecast
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Onset Weather Forecast


Onset, MA Weather Forecast Date: 105 AM EST Tue Mar 03 2026
Weather forecast for Onset, MA
| Tonight Lo: 14°F Lo: -10°C |
Tonight... Clear, cold. Near steady temperature around 14. Light and variable winds. |
| Tue Hi: 35°FHi: 2°C Lo: 35°F Lo: 2°C |
Tuesday... Partly sunny in the morning, then rain with snow likely in the afternoon. Little or no snow accumulation. Cold with highs in the mid 30s. South winds 5 to 10 mph. Chance of precipitation near 100%. |
| Wed Hi: 51°FHi: 11°C Lo: 29°F Lo: -2°C |
Wednesday... Mostly sunny. Patchy fog. Not as cool with highs in the lower 50s. Northwest winds 5 to 10 mph, becoming southwest in the afternoon. |
| Thu Hi: 45°FHi: 7°C Lo: 35°F Lo: 2°C |
Thursday... Mostly cloudy with a chance of rain. Highs in the mid 40s. Chance of rain 30%. |
| Fri Hi: 41°FHi: 5°C Lo: 35°F Lo: 2°C |
Friday... Rain likely. Lows in the mid 30s. Highs in the lower 40s. Chance of rain 70%. |
| Sat Hi: 49°FHi: 9°C Lo: 39°F Lo: 4°C |
Saturday... Mostly cloudy. Highs in the upper 40s. |
| Sun Hi: 55°FHi: 13°C Lo: 39°F Lo: 4°C |
Sunday... Mostly cloudy with a 40% chance of rain. Lows in the upper 30s. Highs in the mid 50s. |
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