7 Day Textual Forecast - with QPF, Max Wind, Humidity, Snowfall & UV Index
7 Day & Night Weather Forecast for Harlem, IL - (Fahrenheit & Celsius)
Valid: 6:25 AM 7/29/2026
Today
Clear with a high near 86°F[30°C]. NE wind to around 8 mph[13 kph], with gusts to near 14 mph[23 kph]. Dewpoint near 54°F[12°C] with humidity of 83%. Pressure around 29.16 in[987.5 mb]. UV Index: 7.25. Chance of precipitation 0% with QPF of 0.00 in[0.0 mm].
Tonight
Clear with a low around 59°F[15°C]. NE wind to around 8 mph[13 kph], with gusts to near 14 mph[23 kph]. Chance of precipitation 0% with QPF of 0.00 in[0.0 mm].
Thursday
Overcast with a high near 92°F[33°C]. S wind to around 7 mph[12 kph], with gusts to near 14 mph[22 kph]. Dewpoint near 54°F[12°C] with humidity of 63%. Pressure around 29.16 in[987.5 mb]. UV Index: 6.7. Chance of precipitation 1% with QPF of 0.00 in[0.0 mm].
Thursday Night
Overcast with a low around 63°F[17°C]. S wind to around 7 mph[12 kph], with gusts to near 14 mph[22 kph]. Chance of precipitation 1% with QPF of 0.00 in[0.0 mm].
Friday
Light Showers with a high near 70°F[21°C]. ESE wind to around 14 mph[22 kph], with gusts to near 23 mph[36 kph]. Dewpoint near 54°F[12°C] with humidity of 98%. Pressure around 29.16 in[987.5 mb]. UV Index: 2.45. Chance of precipitation 78% with QPF of 0.52 in[13.1 mm].
Friday Night
Light Showers with a low around 62°F[17°C]. ESE wind to around 14 mph[22 kph], with gusts to near 23 mph[36 kph]. Chance of precipitation 78% with QPF of 0.52 in[13.1 mm].
Saturday
Light Drizzle with a high near 76°F[24°C]. NE wind to around 12 mph[19 kph], with gusts to near 19 mph[30 kph]. Dewpoint near 54°F[12°C] with humidity of 99%. Pressure around 29.16 in[987.5 mb]. UV Index: 5.45. Chance of precipitation 75% with QPF of 0.04 in[1.1 mm].
Saturday Night
Light Drizzle with a low around 63°F[17°C]. NE wind to around 12 mph[19 kph], with gusts to near 19 mph[30 kph]. Chance of precipitation 75% with QPF of 0.04 in[1.1 mm].
Sunday
Overcast with a high near 79°F[26°C]. NNE wind to around 8 mph[14 kph], with gusts to near 13 mph[20 kph]. Dewpoint near 54°F[12°C] with humidity of 92%. Pressure around 29.16 in[987.5 mb]. UV Index: 7.1. Chance of precipitation 11% with QPF of 0.00 in[0.0 mm].
Sunday Night
Overcast with a low around 59°F[15°C]. NNE wind to around 8 mph[14 kph], with gusts to near 13 mph[20 kph]. Chance of precipitation 11% with QPF of 0.00 in[0.0 mm].
Monday
Clear with a high near 80°F[27°C]. SSE wind to around 7 mph[11 kph], with gusts to near 8 mph[13 kph]. Dewpoint near 54°F[12°C] with humidity of 91%. Pressure around 29.16 in[987.5 mb]. UV Index: 7.2. Chance of precipitation 6% with QPF of 0.00 in[0.0 mm].
Monday Night
Clear with a low around 55°F[13°C]. SSE wind to around 7 mph[11 kph], with gusts to near 8 mph[13 kph]. Chance of precipitation 6% with QPF of 0.00 in[0.0 mm].
Tuesday
Mostly Clear with a high near 82°F[28°C]. SSW wind to around 11 mph[17 kph], with gusts to near 15 mph[24 kph]. Dewpoint near 54°F[12°C] with humidity of 96%. Pressure around 29.16 in[987.5 mb]. UV Index: 7.1. Chance of precipitation 9% with QPF of 0.00 in[0.0 mm].
Tuesday Night
Mostly Clear with a low around 62°F[17°C]. SSW wind to around 11 mph[17 kph], with gusts to near 15 mph[24 kph]. Chance of precipitation 9% with QPF of 0.00 in[0.0 mm].
QPF - Max Wind Speed - Max Humidity - Snowfall
7 Day and Night - QPF Forecast for Harlem, IL
Today: 0.0 mm|0.00 in
Tonight: 0.0 mm|0.00 in
Thursday: 0.0 mm|0.00 in
Thursday Night: 0.0 mm|0.00 in
Friday: 13.1 mm|0.52 in
Friday Night: 13.1 mm|0.52 in
Saturday: 1.1 mm|0.04 in
Saturday Night: 1.1 mm|0.04 in
Sunday: 0.0 mm|0.00 in
Sunday Night: 0.0 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 Harlem, IL
Today: NE @ 13 kph|8 mph
Tonight: NE @ 13 kph|8 mph
Thursday: S @ 12 kph|7 mph
Thursday Night: S @ 12 kph|7 mph
Friday: ESE @ 22 kph|14 mph
Friday Night: ESE @ 22 kph|14 mph
Saturday: NE @ 19 kph|12 mph
Saturday Night: NE @ 19 kph|12 mph
Sunday: NNE @ 14 kph|8 mph
Sunday Night: NNE @ 14 kph|8 mph
Monday: SSE @ 11 kph|7 mph
Monday Night: SSE @ 11 kph|7 mph
Tuesday: SSW @ 17 kph|11 mph
Tuesday Night: SSW @ 17 kph|11 mph
7 Day and Night - Maximum Humidity Forecast for Harlem, IL
Today: 83 %
Tonight: 83 %
Thursday: 63 %
Thursday Night: 63 %
Friday: 98 %
Friday Night: 98 %
Saturday: 99 %
Saturday Night: 99 %
Sunday: 92 %
Sunday Night: 92 %
Monday: 91 %
Monday Night: 91 %
Tuesday: 96 %
Tuesday Night: 96 %
7 Day and Night - Snowfall Totals Forecast for Harlem, IL