Grafton Weather Forecast
14 Day API Weather Forecast. Note: Our 7 day
Grafton weather forecast is our most reliable, and specific forecast. This model should only be used as a probable scenario. Forecasting more than 7 days ahead is challenging.
Grafton, IL Weather Forecast Dated: 237 AM Tue Mar 21 2023 (Grafton Time)
Tue, 21st

Lo: 1°C33°F Hi: 9°C47°F |
Moderate rain Tuesday, temperatures as high as 9°C47°F, low temperature around 1°C33°F, chance of rain 81%, wind out of the SSE 31 km/h19 mph. Barometric pressure 1021 mb30.15 in, visibility 9 km6 mi, humidity 82%. |
Wed, 22nd

Lo: 3°C38°F Hi: 14°C57°F |
Patchy rain possible Wednesday, temperatures as high as 14°C57°F, low temperature around 3°C38°F, chance of rain 87%, wind out of the SSE 29 km/h18 mph. Barometric pressure 1015 mb29.97 in, visibility 10 km6 mi, humidity 96%. |
Thu, 23rd

Lo: 10°C50°F Hi: 24°C75°F |
Moderate rain Thursday, temperatures as high as 24°C75°F, low temperature around 10°C50°F, chance of rain 87%, wind out of the SW 32 km/h20 mph. Barometric pressure 1009 mb29.8 in, visibility 9 km6 mi, humidity 88%. |
Fri, 24th

Lo: 6°C43°F Hi: 13°C55°F |
Moderate rain Friday, temperatures as high as 13°C55°F, low temperature around 6°C43°F, chance of rain 75%, wind out of the ESE 24 km/h15 mph. Barometric pressure 1008 mb29.77 in, visibility 8 km5 mi, humidity 79%. |
Sat, 25th

Lo: 4°C39°F Hi: 14°C57°F |
Moderate rain Saturday, temperatures as high as 14°C57°F, low temperature around 4°C39°F, chance of rain 87%, wind out of the WSW 30 km/h18 mph. Barometric pressure 1005 mb29.68 in, visibility 9 km6 mi, humidity 78%. |
Sun, 26th

Lo: 4°C39°F Hi: 15°C59°F |
Patchy rain possible Sunday, temperatures as high as 15°C59°F, low temperature around 4°C39°F, chance of rain 71%, wind out of the SSW 24 km/h15 mph. Barometric pressure 1015 mb29.97 in, visibility 9 km6 mi, humidity 59%. |
Mon, 27th

Lo: 5°C40°F Hi: 9°C48°F |
Patchy rain possible Monday, temperatures as high as 9°C48°F, low temperature around 5°C40°F, chance of rain 77%, wind out of the WSW 27 km/h17 mph. Barometric pressure 1020 mb30.12 in, visibility 9 km6 mi, humidity 81%. |
Tue, 28th

Lo: 2°C35°F Hi: 13°C55°F |
Sunny Tuesday, temperatures as high as 13°C55°F, low temperature around 2°C35°F, wind out of the E 11 km/h7 mph. Barometric pressure 1026 mb30.3 in, visibility 10 km6 mi, humidity 68%, uv index 3. |
Wed, 29th

Lo: 4°C38°F Hi: 13°C55°F |
Patchy rain possible Wednesday, temperatures as high as 13°C55°F, low temperature around 4°C38°F, chance of rain 77%, wind out of the S 27 km/h17 mph. Barometric pressure 1016 mb30 in, visibility 9 km6 mi, humidity 74%. |
Thu, 30th

Lo: -2°C28°F Hi: 10°C49°F |
Sunny Thursday, temperatures as high as 10°C49°F, low temperature around -2°C28°F, wind out of the NW 30 km/h19 mph. Barometric pressure 1014 mb29.94 in, visibility 10 km6 mi, humidity 54%, uv index 2. |
Fri, 31st

Lo: -4°C26°F Hi: 10°C50°F |
Sunny Friday, temperatures as high as 10°C50°F, low temperature around -4°C26°F, wind out of the S 20 km/h12 mph. Barometric pressure 1021 mb30.15 in, visibility 10 km6 mi, humidity 51%, uv index 2. |
Sat, 1st

Lo: 4°C39°F Hi: 9°C47°F |
Patchy rain possible Saturday, temperatures as high as 9°C47°F, low temperature around 4°C39°F, chance of rain 82%, wind out of the ESE 35 km/h22 mph. Barometric pressure 1021 mb30.15 in, visibility 9 km6 mi, humidity 74%. |
Sun, 2nd

Lo: 5°C40°F Hi: 11°C51°F |
Moderate rain Sunday, temperatures as high as 11°C51°F, low temperature around 5°C40°F, chance of rain 88%, wind out of the WSW 24 km/h15 mph. Barometric pressure 1014 mb29.94 in, visibility 8 km5 mi, humidity 86%. |
Mon, 3rd

Lo: 1°C34°F Hi: 12°C54°F |
Partly cloudy Monday, temperatures as high as 12°C54°F, low temperature around 1°C34°F, wind out of the WNW 30 km/h19 mph. Barometric pressure 1017 mb30.03 in, visibility 10 km6 mi, humidity 65%, uv index 3. |