10-day forecast for Richardson, IL: 60° to 88°, with precipitation expected on 6 days. The table below breaks each day into morning, afternoon, evening and overnight.
83°
Best day: Tuesday, August 18
83° · 0.79 in
Worst day: Sunday, August 9
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1088° / 71°0.22
Morning76°feels 78°
Afternoon87°feels 100°
Evening76°feels 78°
Overnight73°feels 74°
88 °
Richardson, Monday, 10 August
Rain. High 88°, low 71°.
Pressure29.88 inHg
Wind4.3 mph E
Humidity80%
Visibility6.2 mi
Dew point74°
Tue, 1180° / 67°0.48
Morning72°feels 73°
Afternoon73°feels 74°
Evening75°feels 76°
Overnight71°feels 72°
80 °
Richardson, Tuesday, 11 August
Heavy rain. High 80°, low 67°.
Pressure29.83 inHg
Wind2.1 mph E
Humidity91%
Visibility6.2 mi
Dew point64°
Wed, 1281° / 64°0
Morning68°feels 69°
Afternoon80°feels 83°
Evening69°feels 69°
Overnight66°feels 67°
81 °
Richardson, Wednesday, 12 August
Overcast. High 81°, low 64°.
Pressure29.91 inHg
Wind1.3 mph N
Humidity72%
Visibility6.2 mi
Dew point69°
Thu, 1376° / 63°0.19
Morning67°feels 68°
Afternoon74°feels 75°
Evening66°feels 67°
Overnight65°feels 65°
76 °
Richardson, Thursday, 13 August
Light rain. High 76°, low 63°.
Pressure29.97 inHg
Wind10 mph SE
Humidity65%
Visibility6.2 mi
Dew point63°
Fri, 1474° / 67°0.19
Morning69°feels 70°
Afternoon74°feels 75°
Evening71°feels 73°
Overnight67°feels 68°
74 °
Richardson, Friday, 14 August
Light rain. High 74°, low 67°.
Pressure30.03 inHg
Wind15.7 mph E
Humidity88%
Visibility—
Dew point69°
Sat, 1586° / 69°0.37
Morning74°feels 77°
Afternoon83°feels 91°
Evening81°feels 88°
Overnight75°feels 76°
86 °
Richardson, Saturday, 15 August
Rain. High 86°, low 69°.
Pressure29.88 inHg
Wind12 mph E
Humidity77%
Visibility—
Dew point74°
Sun, 1679° / 63°0
Morning68°feels 69°
Afternoon70°feels 71°
Evening69°feels 69°
Overnight64°feels 65°
79 °
Richardson, Sunday, 16 August
Light rain. High 79°, low 63°.
Pressure30.00 inHg
Wind14.4 mph NW
Humidity85%
Visibility—
Dew point65°
Mon, 1770° / 60°0.02
Morning64°feels 64°
Afternoon69°feels 70°
Evening69°feels 70°
Overnight67°feels 68°
70 °
Richardson, Monday, 17 August
Light rain. High 70°, low 60°.
Pressure29.97 inHg
Wind12.3 mph E
Humidity88%
Visibility—
Dew point64°
Tue, 1883° / 69°0.01
Morning74°feels 76°
Afternoon82°feels 86°
Evening77°feels 79°
Overnight72°feels 73°
83 °
Richardson, Tuesday, 18 August
Light rain. High 83°, low 69°.
Pressure29.85 inHg
Wind14.7 mph SE
Humidity72%
Visibility—
Dew point71°
About this forecast
How reliable is a 10-day forecast?
The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.
What does the time-of-day table show?
Temperature in Richardson, IL around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.
How is the best day chosen?
We weigh the daytime high against precipitation: a warm, dry day scores highest.