10-day forecast for Niantic, IL: 62° to 96°, with precipitation expected on 5 days. The table below breaks each day into morning, afternoon, evening and overnight.
96°
Best day: Monday, August 10
71° · 0.5 in
Worst day: Friday, August 14
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1096° / 78°0.01
Morning80°feels 85°
Afternoon95°feels 108°
Evening85°feels 93°
Overnight82°feels 86°
96 °
Niantic, Monday, 10 August
Light rain. High 96°, low 78°.
Pressure29.91 inHg
Wind13.4 mph SW
Humidity60%
Visibility6.2 mi
Dew point73°
Tue, 1194° / 69°0.02
Morning72°feels 74°
Afternoon93°feels 103°
Evening84°feels 90°
Overnight70°feels 71°
94 °
Niantic, Tuesday, 11 August
Light rain. High 94°, low 69°.
Pressure29.85 inHg
Wind14.5 mph SW
Humidity59%
Visibility6.2 mi
Dew point73°
Wed, 1287° / 71°0.2
Morning76°feels 78°
Afternoon86°feels 95°
Evening75°feels 76°
Overnight73°feels 73°
87 °
Niantic, Wednesday, 12 August
Light rain. High 87°, low 71°.
Pressure29.83 inHg
Wind9.7 mph NW
Humidity70%
Visibility6.2 mi
Dew point73°
Thu, 1384° / 67°0.06
Morning73°feels 75°
Afternoon82°feels 86°
Evening74°feels 75°
Overnight68°feels 69°
84 °
Niantic, Thursday, 13 August
Light rain. High 84°, low 67°.
Pressure29.94 inHg
Wind14.6 mph E
Humidity61%
Visibility—
Dew point67°
Fri, 1471° / 62°0.5
Morning63°feels 64°
Afternoon65°feels 66°
Evening66°feels 67°
Overnight63°feels 64°
71 °
Niantic, Friday, 14 August
Rain. High 71°, low 62°.
Pressure30.12 inHg
Wind13.6 mph E
Humidity93%
Visibility—
Dew point63°
Sat, 1576° / 63°0.25
Morning67°feels 68°
Afternoon76°feels 77°
Evening72°feels 73°
Overnight68°feels 69°
76 °
Niantic, Saturday, 15 August
Light rain. High 76°, low 63°.
Pressure30.18 inHg
Wind12.2 mph SE
Humidity75%
Visibility—
Dew point66°
Sun, 1682° / 65°0.09
Morning70°feels 72°
Afternoon81°feels 85°
Evening77°feels 79°
Overnight73°feels 74°
82 °
Niantic, Sunday, 16 August
Light rain. High 82°, low 65°.
Pressure30.06 inHg
Wind9.1 mph SE
Humidity74%
Visibility—
Dew point70°
Mon, 1783° / 67°0
Morning71°feels 73°
Afternoon81°feels 83°
Evening75°feels 76°
Overnight71°feels 71°
83 °
Niantic, Monday, 17 August
Overcast. High 83°, low 67°.
Pressure30.09 inHg
Wind7.1 mph E
Humidity60%
Visibility—
Dew point65°
Tue, 1885° / 66°0
Morning71°feels 72°
Afternoon82°feels 84°
Evening79°feels 79°
Overnight73°feels 73°
85 °
Niantic, Tuesday, 18 August
Overcast. High 85°, low 66°.
Pressure30.00 inHg
Wind8.9 mph SE
Humidity54%
Visibility—
Dew point62°
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 Niantic, 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.