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Greenwich High School, CT Weather Forecast
Greenwich High School, CT Weather Forecast Dated: 1250 AM Thu Aug 20 2026 (Greenwich High School Time)
Thu, 20th Lo: 18°C65°F Hi: 24°C75°F |
Overcast Thursday, temperatures as high as 75°F24°C, low temperature around 65°F18°C, chance of rain 50%, wind out of the NNW 15 mph24 km/h. Barometric pressure 29.97 in1015 mb, visibility 6 mi10 km, humidity 74%. |
Fri, 21st Lo: 17°C62°F Hi: 26°C78°F |
Sunny Friday, temperatures as high as 78°F26°C, low temperature around 62°F17°C, chance of rain 4%, wind out of the NE 9 mph14 km/h. Barometric pressure 30.09 in1019 mb, visibility 6 mi10 km, humidity 57%. |
| Sat, 22nd Lo: 20°C68°F Hi: 25°C77°F |
Overcast Saturday, temperatures as high as 77°F25°C, low temperature around 68°F20°C, chance of rain 12%, wind out of the E 13 mph22 km/h. Barometric pressure 30.09 in1019 mb, visibility 6 mi10 km, humidity 63%. |
Sun, 23rd Lo: 19°C66°F Hi: 25°C77°F |
Chance of showers Sunday, temperatures as high as 77°F25°C, low temperature around 66°F19°C, chance of rain 89%, wind out of the E 16 mph26 km/h. Barometric pressure 29.91 in1013 mb, visibility 6 mi10 km, humidity 86%. |
| Mon, 24th Lo: 20°C67°F Hi: 26°C78°F |
Sunny Monday, temperatures as high as 78°F26°C, low temperature around 67°F20°C, chance of rain 36%, wind out of the NW 14 mph23 km/h. Barometric pressure 29.97 in1015 mb, visibility 6 mi10 km, humidity 63%. |
| Tue, 25th Lo: 19°C65°F Hi: 25°C77°F |
Overcast Tuesday, temperatures as high as 77°F25°C, low temperature around 65°F19°C, chance of rain 11%, wind out of the E 9 mph15 km/h. Barometric pressure 30.06 in1018 mb, visibility 6 mi10 km, humidity 62%. |
| Wed, 26th Lo: 22°C71°F Hi: 23°C73°F |
Chance of showers Wednesday, temperatures as high as 73°F23°C, low temperature around 71°F22°C, chance of rain 88%, wind out of the ESE 15 mph24 km/h. Barometric pressure 29.91 in1013 mb, visibility 6 mi10 km, humidity 87%. |
| Thu, 27th Lo: 20°C67°F Hi: 22°C72°F |
Light rain shower Thursday, temperatures as high as 72°F22°C, low temperature around 67°F20°C, chance of rain 91%, wind out of the NE 19 mph31 km/h. Barometric pressure 29.94 in1014 mb, visibility 6 mi10 km, humidity 94%. |
| Fri, 28th Lo: 18°C65°F Hi: 20°C69°F |
Light rain shower Friday, temperatures as high as 69°F20°C, low temperature around 65°F18°C, chance of rain 94%, wind out of the ENE 22 mph35 km/h. Barometric pressure 30.03 in1017 mb, visibility 6 mi9 km, humidity 97%. |
| Sat, 29th Lo: 18°C64°F Hi: 21°C70°F |
Chance of showers Saturday, temperatures as high as 70°F21°C, low temperature around 64°F18°C, chance of rain 91%, wind out of the ENE 21 mph35 km/h. Barometric pressure 30 in1016 mb, visibility 6 mi10 km, humidity 96%. |
| Sun, 30th Lo: 18°C64°F Hi: 23°C74°F |
Chance of showers Sunday, temperatures as high as 74°F23°C, low temperature around 64°F18°C, chance of rain 25%, wind out of the NNE 18 mph29 km/h. Barometric pressure 30.06 in1018 mb, visibility 6 mi10 km, humidity 83%. |
| Mon, 31st Lo: 21°C71°F Hi: 27°C81°F |
Overcast Monday, temperatures as high as 81°F27°C, low temperature around 71°F21°C, chance of rain 17%, wind out of the SW 9 mph15 km/h. Barometric pressure 30.18 in1022 mb, visibility 6 mi10 km, humidity 77%. |
Tue, 1st Lo: 23°C74°F Hi: 28°C83°F |
Cloudy Tuesday, temperatures as high as 83°F28°C, low temperature around 74°F23°C, chance of rain 53%, wind out of the SW 13 mph21 km/h. Barometric pressure 30.18 in1022 mb, visibility 6 mi10 km, humidity 76%. |
| Wed, 2nd Lo: 19°C66°F Hi: 27°C81°F |
Overcast Wednesday, temperatures as high as 81°F27°C, low temperature around 66°F19°C, chance of rain 82%, wind out of the SSW 13 mph22 km/h. Barometric pressure 30.15 in1021 mb, visibility 6 mi10 km, humidity 80%. |
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