10-day forecast for Gary, SD: 39° to 67°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
67°
Best day: Tuesday, October 20
65° · 0.56 in
Worst day: Thursday, October 22
Tap any day below to see morning, afternoon, evening and overnight.
Wed, 1453° / 44°0
Morning45°feels 43°
Afternoon52°feels 50°
Evening49°feels 49°
Overnight46°feels 42°
53 °
Gary, Wednesday, 14 October
Overcast. High 53°, low 44°.
Pressure30.27 inHg
Wind3.9 mph N
Humidity64%
Visibility6.2 mi
Dew point40°
Thu, 1560° / 46°0.17
Morning47°feels 47°
Afternoon58°feels 56°
Evening49°feels 42°
Overnight47°feels 47°
60 °
Gary, Thursday, 15 October
Rain. High 60°, low 46°.
Pressure30.15 inHg
Wind7.8 mph W
Humidity76%
Visibility6.2 mi
Dew point47°
Fri, 1649° / 40°0
Morning40°feels 30°
Afternoon48°feels 42°
Evening42°feels 39°
Overnight44°feels 36°
49 °
Gary, Friday, 16 October
Clear. High 49°, low 40°.
Pressure30.65 inHg
Wind16.3 mph N
Humidity60%
Visibility6.2 mi
Dew point30°
Sat, 1761° / 39°0
Morning43°feels 34°
Afternoon58°feels 55°
Evening56°feels 53°
Overnight39°feels 32°
61 °
Gary, Saturday, 17 October
Clear. High 61°, low 39°.
Pressure30.18 inHg
Wind23 mph SW
Humidity44%
Visibility6.2 mi
Dew point31°
Sun, 1859° / 48°0
Morning51°feels 45°
Afternoon57°feels 55°
Evening52°feels 50°
Overnight48°feels 44°
59 °
Gary, Sunday, 18 October
Overcast. High 59°, low 48°.
Pressure29.91 inHg
Wind24.6 mph SW
Humidity49%
Visibility—
Dew point37°
Mon, 1962° / 41°0
Morning46°feels 44°
Afternoon57°feels 55°
Evening50°feels 47°
Overnight46°feels 42°
62 °
Gary, Monday, 19 October
Clear. High 62°, low 41°.
Pressure30.18 inHg
Wind8.7 mph S
Humidity36%
Visibility—
Dew point30°
Tue, 2067° / 46°0
Morning51°feels 47°
Afternoon64°feels 63°
Evening58°feels 57°
Overnight53°feels 51°
67 °
Gary, Tuesday, 20 October
Clear. High 67°, low 46°.
Pressure30.06 inHg
Wind16 mph S
Humidity53%
Visibility—
Dew point45°
Wed, 2167° / 53°0.14
Morning57°feels 56°
Afternoon66°feels 66°
Evening62°feels 62°
Overnight60°feels 60°
67 °
Gary, Wednesday, 21 October
Light rain. High 67°, low 53°.
Pressure29.88 inHg
Wind17.1 mph S
Humidity59%
Visibility—
Dew point50°
Thu, 2265° / 58°0.56
Morning63°feels 64°
Afternoon64°feels 65°
Evening62°feels 62°
Overnight59°feels 59°
65 °
Gary, Thursday, 22 October
Rain. High 65°, low 58°.
Pressure29.53 inHg
Wind19.2 mph S
Humidity87%
Visibility—
Dew point60°
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 Gary, SD 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.