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Groton Monument, CT Weather Forecast
Groton Monument, CT Weather Forecast Dated: 840 AM Fri Aug 21 2026 (Groton Monument Time)
Fri, 21st Lo: 18°C64°F Hi: 25°C78°F |
Rain Friday, temperatures as high as 78°F25°C, low temperature around 64°F18°C, chance of rain 87%, wind out of the ENE 13 mph21 km/h. Barometric pressure 30.09 in1019 mb, visibility 6 mi10 km, humidity 80%. |
Sat, 22nd Lo: 20°C68°F Hi: 21°C70°F |
Light rain shower Saturday, temperatures as high as 70°F21°C, low temperature around 68°F20°C, chance of rain 92%, wind out of the ENE 19 mph30 km/h. Barometric pressure 30 in1016 mb, visibility 6 mi9 km, humidity 92%. |
| Sun, 23rd Lo: 20°C67°F Hi: 23°C73°F |
Chance of showers Sunday, temperatures as high as 73°F23°C, low temperature around 67°F20°C, chance of rain 90%, wind out of the SE 13 mph21 km/h. Barometric pressure 29.83 in1010 mb, visibility 6 mi9 km, humidity 93%. |
Mon, 24th Lo: 18°C65°F Hi: 23°C74°F |
Sunny Monday, temperatures as high as 74°F23°C, low temperature around 65°F18°C, chance of rain 8%, wind out of the W 22 mph35 km/h. Barometric pressure 29.88 in1012 mb, visibility 6 mi10 km, humidity 76%. |
| Tue, 25th Lo: 16°C61°F Hi: 22°C71°F |
Sunny Tuesday, temperatures as high as 71°F22°C, low temperature around 61°F16°C, chance of rain 4%, wind out of the W 16 mph26 km/h. Barometric pressure 30.06 in1018 mb, visibility 6 mi10 km, humidity 62%. |
| Wed, 26th Lo: 18°C64°F Hi: 22°C72°F |
Sunny Wednesday, temperatures as high as 72°F22°C, low temperature around 64°F18°C, chance of rain 9%, wind out of the ESE 9 mph15 km/h. Barometric pressure 30.09 in1019 mb, visibility 6 mi10 km, humidity 72%. |
Thu, 27th Lo: 19°C66°F Hi: 22°C72°F |
Overcast Thursday, temperatures as high as 72°F22°C, low temperature around 66°F19°C, chance of rain 23%, wind out of the ENE 12 mph19 km/h. Barometric pressure 30.06 in1018 mb, visibility 6 mi10 km, humidity 79%. |
| Fri, 28th Lo: 18°C65°F Hi: 23°C74°F |
Overcast Friday, temperatures as high as 74°F23°C, low temperature around 65°F18°C, chance of rain 15%, wind out of the ENE 15 mph23 km/h. Barometric pressure 30.09 in1019 mb, visibility 6 mi10 km, humidity 79%. |
| Sat, 29th Lo: 18°C64°F Hi: 23°C73°F |
Sunny Saturday, temperatures as high as 73°F23°C, low temperature around 64°F18°C, chance of rain 8%, wind out of the ENE 13 mph20 km/h. Barometric pressure 30.15 in1021 mb, visibility 6 mi10 km, humidity 77%. |
| Sun, 30th Lo: 18°C64°F Hi: 21°C70°F |
Overcast Sunday, temperatures as high as 70°F21°C, low temperature around 64°F18°C, chance of rain 15%, wind out of the ESE 10 mph17 km/h. Barometric pressure 30.09 in1019 mb, visibility 6 mi10 km, humidity 74%. |
| Mon, 31st Lo: 19°C67°F Hi: 21°C69°F |
Chance of showers Monday, temperatures as high as 69°F21°C, low temperature around 67°F19°C, chance of rain 91%, wind out of the E 16 mph25 km/h. Barometric pressure 29.97 in1015 mb, visibility 6 mi10 km, humidity 88%. |
| Tue, 1st Lo: 18°C65°F Hi: 23°C74°F |
Chance of showers Tuesday, temperatures as high as 74°F23°C, low temperature around 65°F18°C, chance of rain 30%, wind out of the NE 13 mph22 km/h. Barometric pressure 29.94 in1014 mb, visibility 6 mi10 km, humidity 85%. |
Wed, 2nd Lo: 18°C64°F Hi: 21°C70°F |
Partly Cloudy Wednesday, temperatures as high as 70°F21°C, low temperature around 64°F18°C, chance of rain 68%, wind out of the S 13 mph21 km/h. Barometric pressure 29.97 in1015 mb, visibility 6 mi10 km, humidity 83%. |
| Thu, 3rd Lo: 16°C60°F Hi: 21°C70°F |
Sunny Thursday, temperatures as high as 70°F21°C, low temperature around 60°F16°C, chance of rain 66%, wind out of the NW 18 mph28 km/h. Barometric pressure 29.8 in1009 mb, visibility 6 mi10 km, humidity 76%. |
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