Weather WorldGreat Falls Park, VA 14 Day Weather
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Great Falls Park, VA Weather Forecast
Great Falls Park, VA Weather Forecast Dated: 438 PM Tue Aug 18 2026 (Great Falls Park Time)
Tue, 18th Lo: 22°C72°F Hi: 32°C89°F |
Sunny Tuesday, temperatures as high as 89°F32°C, low temperature around 72°F22°C, chance of rain 7%, wind out of the NNW 8 mph12 km/h. Barometric pressure 29.88 in1012 mb, visibility 6 mi10 km, humidity 69%. |
| Wed, 19th Lo: 20°C68°F Hi: 32°C89°F |
Sunny Wednesday, temperatures as high as 89°F32°C, low temperature around 68°F20°C, chance of rain 3%, wind out of the WNW 6 mph10 km/h. Barometric pressure 29.91 in1013 mb, visibility 6 mi10 km, humidity 52%. |
Thu, 20th Lo: 22°C72°F Hi: 30°C87°F |
Chance of showers Thursday, temperatures as high as 87°F30°C, low temperature around 72°F22°C, chance of rain 63%, wind out of the NNE 6 mph9 km/h. Barometric pressure 29.94 in1014 mb, visibility 6 mi10 km, humidity 65%. |
Fri, 21st Lo: 19°C66°F Hi: 29°C84°F |
Overcast Friday, temperatures as high as 84°F29°C, low temperature around 66°F19°C, chance of rain 57%, wind out of the NE 7 mph11 km/h. Barometric pressure 30.06 in1018 mb, visibility 6 mi10 km, humidity 63%. |
| Sat, 22nd Lo: 20°C67°F Hi: 27°C81°F |
Chance of showers Saturday, temperatures as high as 81°F27°C, low temperature around 67°F20°C, chance of rain 79%, wind out of the E 6 mph10 km/h. Barometric pressure 29.97 in1015 mb, visibility 5 mi8 km, humidity 85%. |
Sun, 23rd Lo: 20°C67°F Hi: 24°C75°F |
Fog Sunday, temperatures as high as 75°F24°C, low temperature around 67°F20°C, chance of rain 92%, wind out of the SE 8 mph12 km/h. Barometric pressure 29.88 in1012 mb, visibility 4 mi6 km, humidity 91%. |
| Mon, 24th Lo: 17°C63°F Hi: 28°C83°F |
Sunny Monday, temperatures as high as 83°F28°C, low temperature around 63°F17°C, chance of rain 4%, wind out of the WNW 7 mph11 km/h. Barometric pressure 30.03 in1017 mb, visibility 6 mi10 km, humidity 55%. |
| Tue, 25th Lo: 19°C67°F Hi: 27°C81°F |
Overcast Tuesday, temperatures as high as 81°F27°C, low temperature around 67°F19°C, chance of rain 86%, wind out of the SSE 12 mph19 km/h. Barometric pressure 29.94 in1014 mb, visibility 6 mi9 km, humidity 77%. |
| Wed, 26th Lo: 19°C67°F Hi: 31°C88°F |
Chance of showers Wednesday, temperatures as high as 88°F31°C, low temperature around 67°F19°C, chance of rain 80%, wind out of the WSW 8 mph13 km/h. Barometric pressure 29.8 in1009 mb, visibility 6 mi9 km, humidity 82%. |
| Thu, 27th Lo: 17°C62°F Hi: 25°C77°F |
Sunny Thursday, temperatures as high as 77°F25°C, low temperature around 62°F17°C, chance of rain 17%, wind out of the NW 11 mph18 km/h. Barometric pressure 29.91 in1013 mb, visibility 6 mi10 km, humidity 63%. |
| Fri, 28th Lo: 15°C59°F Hi: 24°C76°F |
Sunny Friday, temperatures as high as 76°F24°C, low temperature around 59°F15°C, chance of rain 3%, wind out of the NNW 7 mph12 km/h. Barometric pressure 30.06 in1018 mb, visibility 6 mi10 km, humidity 50%. |
| Sat, 29th Lo: 13°C56°F Hi: 24°C74°F |
Sunny Saturday, temperatures as high as 74°F24°C, low temperature around 56°F13°C, chance of rain 2%, wind out of the NNW 9 mph14 km/h. Barometric pressure 30.18 in1022 mb, visibility 6 mi10 km, humidity 48%. |
| Sun, 30th Lo: 13°C56°F Hi: 24°C75°F |
Sunny Sunday, temperatures as high as 75°F24°C, low temperature around 56°F13°C, chance of rain 2%, wind out of the NNW 8 mph13 km/h. Barometric pressure 30.18 in1022 mb, visibility 6 mi10 km, humidity 48%. |
Mon, 31st Lo: 16°C60°F Hi: 25°C78°F |
Partly Cloudy Monday, temperatures as high as 78°F25°C, low temperature around 60°F16°C, chance of rain 4%, wind out of the NW 5 mph9 km/h. Barometric pressure 30.21 in1023 mb, visibility 6 mi10 km, humidity 44%. |
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