10-day forecast for Gary, SD: 39° to 69°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
67°
Best day: Sunday, October 18
69° · 0.21 in
Worst day: Wednesday, October 21
Tap any day below to see morning, afternoon, evening and overnight.
Wed, 1454° / 43°0.01
Morning45°feels 42°
Afternoon53°feels 52°
Evening49°feels 49°
Overnight44°feels 41°
54 °
Gary, Wednesday, 14 October
Light rain. High 54°, low 43°.
Pressure30.27 inHg
Wind3.6 mph NE
Humidity67%
Visibility6.2 mi
Dew point40°
Thu, 1559° / 44°0.12
Morning46°feels 45°
Afternoon57°feels 55°
Evening49°feels 42°
Overnight46°feels 46°
59 °
Gary, Thursday, 15 October
Light rain. High 59°, low 44°.
Pressure30.15 inHg
Wind5.3 mph NW
Humidity82%
Visibility6.2 mi
Dew point46°
Fri, 1650° / 40°0
Morning41°feels 31°
Afternoon48°feels 43°
Evening42°feels 40°
Overnight44°feels 36°
50 °
Gary, Friday, 16 October
Clear. High 50°, low 40°.
Pressure30.62 inHg
Wind15.6 mph N
Humidity59%
Visibility6.2 mi
Dew point31°
Sat, 1763° / 39°0
Morning42°feels 34°
Afternoon57°feels 55°
Evening57°feels 55°
Overnight39°feels 32°
63 °
Gary, Saturday, 17 October
Clear. High 63°, low 39°.
Pressure30.12 inHg
Wind23.7 mph SW
Humidity41%
Visibility—
Dew point32°
Sun, 1867° / 48°0
Morning53°feels 48°
Afternoon64°feels 62°
Evening56°feels 55°
Overnight51°feels 48°
67 °
Gary, Sunday, 18 October
Partly cloudy. High 67°, low 48°.
Pressure29.97 inHg
Wind24.2 mph SW
Humidity42%
Visibility—
Dew point39°
Mon, 1962° / 43°0
Morning47°feels 43°
Afternoon57°feels 54°
Evening51°feels 47°
Overnight47°feels 43°
62 °
Gary, Monday, 19 October
Clear. High 62°, low 43°.
Pressure30.18 inHg
Wind8.8 mph S
Humidity23%
Visibility—
Dew point19°
Tue, 2062° / 44°0
Morning49°feels 44°
Afternoon61°feels 60°
Evening57°feels 57°
Overnight55°feels 54°
62 °
Gary, Tuesday, 20 October
Mostly clear. High 62°, low 44°.
Pressure30.03 inHg
Wind16.8 mph S
Humidity63%
Visibility—
Dew point47°
Wed, 2169° / 56°0.21
Morning58°feels 58°
Afternoon64°feels 64°
Evening64°feels 64°
Overnight62°feels 62°
69 °
Gary, Wednesday, 21 October
Light rain. High 69°, low 56°.
Pressure29.88 inHg
Wind15.8 mph S
Humidity84%
Visibility—
Dew point58°
Thu, 2265° / 53°0.16
Morning60°feels 60°
Afternoon53°feels 53°
Evening55°feels 55°
Overnight58°feels 58°
65 °
Gary, Thursday, 22 October
Light rain. High 65°, low 53°.
Pressure29.80 inHg
Wind13.9 mph S
Humidity93%
Visibility—
Dew point52°
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.