Greenwich, Illinois 7 Day & Night Forecast & Conditions

Current Conditions

Maps Alerts Climate Index

Clear 59°F 15°C Wind Chill: 59°F	Observed at: Greenwich, IL	Elevation: 885 ft | 270 m
	Last Updated: July 29, 5:15 AM Timezone: GMT -5/-4
	Sky Conditions: Clear	Temperature: 59°F | 15°C
	Pressure: 29.26 in | 991 mb	Dewpoint: 57°F | 14°C
	Humidity: 92%	Wind: NNW 6 mph | NNW 10 kph
	Feels Like: 59°F | 15°C	Visibility: 24.9 mi | 40 km
	Lat/Long: 41.1183 | -87.9269	Sunrise: 5:44 AM   Sunset: 8:11 PM

7 Day Graphical Forecast

Valid: 5:28 AM 7/29/2026

Tonight Clear 59 °F 0% Chance Precipitation Thursday Overcast 88 |59 °F 1% Chance Precipitation Friday Drizzle 73 |63 °F 70% Chance Precipitation Saturday Light Showers 74 |63 °F 70% Chance Precipitation Sunday Light Drizzle 79 |60 °F 32% Chance Precipitation Monday Mostly Clear 82 |59 °F 15% Chance Precipitation Tuesday Clear 81 |58 °F 16% Chance Precipitation

7 Hour Graphical Forecast

Valid: 5:28 AM 7/29/2026

5 AM Clear 59 °F 0% Chance Precipitation

6 AM Clear 59 °F 0% Chance Precipitation

7 AM Clear 62 °F 0% Chance Precipitation

8 AM Clear 68 °F 0% Chance Precipitation

9 AM Clear 73 °F 0% Chance Precipitation

10 AM Clear 76 °F 0% Chance Precipitation

11 AM Clear 78 °F 0% Chance Precipitation

7 Day Textual Forecast - with QPF, Max Wind, Humidity, Snowfall & UV Index

7 Day & Night Weather Forecast for Greenwich, IL - (Fahrenheit & Celsius) Valid: 5:28 AM 7/29/2026 Tonight Clear with a low around 59°F [15°C]. NNE wind to around 11 mph [18 kph], with gusts to near 15 mph [24 kph]. Chance of precipitation 0% with QPF of 0.00 in [0.0 mm]. Thursday Overcast with a high near 88°F [31°C]. ESE wind to around 6 mph [10 kph], with gusts to near 9 mph [14 kph]. Dewpoint near 57°F [14°C] with humidity of 96%. Pressure around 29.26 in [991 mb]. UV Index: 6.9. Chance of precipitation 1% with QPF of 0.00 in [0.0 mm]. Thursday Night Overcast with a low around 59°F [15°C]. ESE wind to around 6 mph [10 kph], with gusts to near 9 mph [14 kph]. Chance of precipitation 1% with QPF of 0.00 in [0.0 mm]. Friday Drizzle with a high near 73°F [23°C]. SE wind to around 13 mph [21 kph], with gusts to near 23 mph [36 kph]. Dewpoint near 57°F [14°C] with humidity of 97%. Pressure around 29.26 in [991 mb]. UV Index: 2.45. Chance of precipitation 70% with QPF of 0.10 in [2.5 mm]. Friday Night Drizzle with a low around 63°F [17°C]. SE wind to around 13 mph [21 kph], with gusts to near 23 mph [36 kph]. Chance of precipitation 70% with QPF of 0.10 in [2.5 mm]. Saturday Light Showers with a high near 74°F [23°C]. NE wind to around 14 mph [22 kph], with gusts to near 26 mph [41 kph]. Dewpoint near 57°F [14°C] with humidity of 98%. Pressure around 29.26 in [991 mb]. UV Index: 6.7. Chance of precipitation 70% with QPF of 0.22 in [5.7 mm]. Saturday Night Light Showers with a low around 63°F [17°C]. NE wind to around 14 mph [22 kph], with gusts to near 26 mph [41 kph]. Chance of precipitation 70% with QPF of 0.22 in [5.7 mm]. Sunday Light Drizzle with a high near 79°F [26°C]. NNE wind to around 10 mph [17 kph], with gusts to near 17 mph [27 kph]. Dewpoint near 57°F [14°C] with humidity of 96%. Pressure around 29.26 in [991 mb]. UV Index: 6.05. Chance of precipitation 32% with QPF of 0.00 in [0.1 mm]. Sunday Night Light Drizzle with a low around 60°F [16°C]. NNE wind to around 10 mph [17 kph], with gusts to near 17 mph [27 kph]. Chance of precipitation 32% with QPF of 0.00 in [0.1 mm]. Monday Mostly Clear with a high near 82°F [28°C]. SE wind to around 7 mph [11 kph], with gusts to near 9 mph [14 kph]. Dewpoint near 57°F [14°C] with humidity of 96%. Pressure around 29.26 in [991 mb]. UV Index: 7.2. Chance of precipitation 15% with QPF of 0.00 in [0.0 mm]. Monday Night Mostly Clear with a low around 59°F [15°C]. SE wind to around 7 mph [11 kph], with gusts to near 9 mph [14 kph]. Chance of precipitation 15% with QPF of 0.00 in [0.0 mm]. Tuesday Clear with a high near 81°F [27°C]. S wind to around 7 mph [11 kph], with gusts to near 9 mph [14 kph]. Dewpoint near 57°F [14°C] with humidity of 92%. Pressure around 29.26 in [991 mb]. UV Index: 7.2. Chance of precipitation 16% with QPF of 0.00 in [0.0 mm]. Tuesday Night Clear with a low around 58°F [14°C]. S wind to around 7 mph [11 kph], with gusts to near 9 mph [14 kph]. Chance of precipitation 16% with QPF of 0.00 in [0.0 mm].

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7 Day and Night - QPF Forecast for Greenwich, IL

Tonight: 0.0 mm | 0.00 in

Thursday: 0.0 mm | 0.00 in

Thursday Night: 0.0 mm | 0.00 in

Friday: 2.5 mm | 0.10 in

Friday Night: 2.5 mm | 0.10 in

Saturday: 5.7 mm | 0.22 in

Saturday Night: 5.7 mm | 0.22 in

Sunday: 0.1 mm | 0.00 in

Sunday Night: 0.1 mm | 0.00 in

Monday: 0.0 mm | 0.00 in

Monday Night: 0.0 mm | 0.00 in

Tuesday: 0.0 mm | 0.00 in

Tuesday Night: 0.0 mm | 0.00 in

7 Day and Night - Maximum Wind Speed Forecast for Greenwich, IL

Tonight: NNE @ 18 kph | 11 mph

Thursday: ESE @ 10 kph | 6 mph

Thursday Night: ESE @ 10 kph | 6 mph

Friday: SE @ 21 kph | 13 mph

Friday Night: SE @ 21 kph | 13 mph

Saturday: NE @ 22 kph | 14 mph

Saturday Night: NE @ 22 kph | 14 mph

Sunday: NNE @ 17 kph | 10 mph

Sunday Night: NNE @ 17 kph | 10 mph

Monday: SE @ 11 kph | 7 mph

Monday Night: SE @ 11 kph | 7 mph

Tuesday: S @ 11 kph | 7 mph

Tuesday Night: S @ 11 kph | 7 mph

7 Day and Night - Maximum Humidity Forecast for Greenwich, IL

Tonight: 93 %

Thursday: 96 %

Thursday Night: 96 %

Friday: 97 %

Friday Night: 97 %

Saturday: 98 %

Saturday Night: 98 %

Sunday: 96 %

Sunday Night: 96 %

Monday: 96 %

Monday Night: 96 %

Tuesday: 92 %

Tuesday Night: 92 %

7 Day and Night - Snowfall Totals Forecast for Greenwich, IL

Tonight: 0.0 cm | 0.00 in

Thursday: 0.0 cm | 0.00 in

Thursday Night: 0.0 cm | 0.00 in

Friday: 0.0 cm | 0.00 in

Friday Night: 0.0 cm | 0.00 in

Saturday: 0.0 cm | 0.00 in

Saturday Night: 0.0 cm | 0.00 in

Sunday: 0.0 cm | 0.00 in

Sunday Night: 0.0 cm | 0.00 in

Monday: 0.0 cm | 0.00 in

Monday Night: 0.0 cm | 0.00 in

Tuesday: 0.0 cm | 0.00 in

Tuesday Night: 0.0 cm | 0.00 in

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