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Plum Island, MA Weather Forecast
Plum Island, MA Weather Forecast Dated: 315 PM Thu Aug 13 2026 (Plum Island Time)
Thu, 13th Lo: 19°C66°F Hi: 28°C82°F |
Sunny Thursday, temperatures as high as 82°F28°C, low temperature around 66°F19°C, chance of rain 17%, wind out of the W 9 mph14 km/h. Barometric pressure 29.8 in1009 mb, visibility 6 mi10 km, humidity 72%. |
| Fri, 14th Lo: 18°C64°F Hi: 26°C79°F |
Sunny Friday, temperatures as high as 79°F26°C, low temperature around 64°F18°C, chance of rain 3%, wind out of the NW 15 mph25 km/h. Barometric pressure 29.97 in1015 mb, visibility 6 mi10 km, humidity 55%. |
| Sat, 15th Lo: 14°C57°F Hi: 23°C73°F |
Sunny Saturday, temperatures as high as 73°F23°C, low temperature around 57°F14°C, chance of rain 3%, wind out of the N 9 mph15 km/h. Barometric pressure 30.15 in1021 mb, visibility 6 mi10 km, humidity 59%. |
Sun, 16th Lo: 15°C59°F Hi: 26°C78°F |
Partly Cloudy Sunday, temperatures as high as 78°F26°C, low temperature around 59°F15°C, chance of rain 74%, wind out of the SSW 14 mph23 km/h. Barometric pressure 30 in1016 mb, visibility 6 mi9 km, humidity 70%. |
Mon, 17th Lo: 17°C63°F Hi: 23°C73°F |
Chance of showers Monday, temperatures as high as 73°F23°C, low temperature around 63°F17°C, chance of rain 84%, wind out of the NNE 11 mph18 km/h. Barometric pressure 29.8 in1009 mb, visibility 6 mi9 km, humidity 86%. |
| Tue, 18th Lo: 15°C59°F Hi: 23°C74°F |
Sunny Tuesday, temperatures as high as 74°F23°C, low temperature around 59°F15°C, chance of rain 8%, wind out of the SSW 10 mph17 km/h. Barometric pressure 29.94 in1014 mb, visibility 6 mi10 km, humidity 74%. |
| Wed, 19th Lo: 17°C63°F Hi: 25°C77°F |
Sunny Wednesday, temperatures as high as 77°F25°C, low temperature around 63°F17°C, chance of rain 30%, wind out of the SSW 11 mph18 km/h. Barometric pressure 29.97 in1015 mb, visibility 6 mi9 km, humidity 82%. |
| Thu, 20th Lo: 19°C67°F Hi: 24°C75°F |
Chance of showers Thursday, temperatures as high as 75°F24°C, low temperature around 67°F19°C, chance of rain 85%, wind out of the SSW 11 mph17 km/h. Barometric pressure 29.91 in1013 mb, visibility 6 mi10 km, humidity 91%. |
| Fri, 21st Lo: 21°C69°F Hi: 29°C85°F |
Sunny Friday, temperatures as high as 85°F29°C, low temperature around 69°F21°C, chance of rain 67%, wind out of the SW 9 mph15 km/h. Barometric pressure 29.83 in1010 mb, visibility 6 mi9 km, humidity 82%. |
| Sat, 22nd Lo: 15°C60°F Hi: 20°C69°F |
Sunny Saturday, temperatures as high as 69°F20°C, low temperature around 60°F15°C, chance of rain 70%, wind out of the NW 10 mph16 km/h. Barometric pressure 29.94 in1014 mb, visibility 6 mi10 km, humidity 84%. |
| Sun, 23rd Lo: 15°C59°F Hi: 22°C71°F |
Sunny Sunday, temperatures as high as 71°F22°C, low temperature around 59°F15°C, chance of rain 21%, wind out of the E 8 mph13 km/h. Barometric pressure 30.12 in1020 mb, visibility 6 mi10 km, humidity 74%. |
| Mon, 24th Lo: 18°C65°F Hi: 20°C68°F |
Chance of showers Monday, temperatures as high as 68°F20°C, low temperature around 65°F18°C, chance of rain 86%, wind out of the SSE 6 mph10 km/h. Barometric pressure 30.09 in1019 mb, visibility 4 mi6 km, humidity 89%. |
| Tue, 25th Lo: 18°C65°F Hi: 28°C82°F |
Sunny Tuesday, temperatures as high as 82°F28°C, low temperature around 65°F18°C, chance of rain 6%, wind out of the W 10 mph16 km/h. Barometric pressure 30 in1016 mb, visibility 4 mi7 km, humidity 69%. |
| Wed, 26th Lo: 18°C64°F Hi: 25°C76°F |
Sunny Wednesday, temperatures as high as 76°F25°C, low temperature around 64°F18°C, chance of rain 6%, wind out of the SSE 13 mph21 km/h. Barometric pressure 29.97 in1015 mb, visibility 6 mi10 km, humidity 69%. |
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