10-day forecast for Letcher, SD: 36° to 79°, with precipitation expected on 0 days. The table below breaks each day into morning, afternoon, evening and overnight.
79°
Best day: Wednesday, October 21
56°
Worst day: Tuesday, October 13
Tap any day below to see morning, afternoon, evening and overnight.
Tue, 1356° / 40°0.01
Morning42°feels 38°
Afternoon55°feels 53°
Evening50°feels 48°
Overnight42°feels 35°
56 °
Letcher, Tuesday, 13 October
Light rain. High 56°, low 40°.
Pressure30.03 inHg
Wind9.6 mph N
Humidity60%
Visibility6.2 mi
Dew point40°
Wed, 1458° / 36°0
Morning42°feels 40°
Afternoon58°feels 56°
Evening54°feels 52°
Overnight46°feels 43°
58 °
Letcher, Wednesday, 14 October
Partly cloudy. High 58°, low 36°.
Pressure30.24 inHg
Wind5.1 mph N
Humidity59%
Visibility6.2 mi
Dew point41°
Thu, 1563° / 48°0
Morning50°feels 47°
Afternoon62°feels 60°
Evening53°feels 50°
Overnight52°feels 51°
63 °
Letcher, Thursday, 15 October
Overcast. High 63°, low 48°.
Pressure30.24 inHg
Wind10.3 mph NW
Humidity53%
Visibility6.2 mi
Dew point42°
Fri, 1655° / 41°0
Morning42°feels 35°
Afternoon52°feels 49°
Evening49°feels 49°
Overnight46°feels 39°
55 °
Letcher, Friday, 16 October
Clear. High 55°, low 41°.
Pressure30.77 inHg
Wind8.7 mph NW
Humidity53%
Visibility6.2 mi
Dew point32°
Sat, 1767° / 43°0
Morning49°feels 43°
Afternoon61°feels 58°
Evening60°feels 57°
Overnight54°feels 51°
67 °
Letcher, Saturday, 17 October
Clear. High 67°, low 43°.
Pressure30.18 inHg
Wind19 mph S
Humidity32%
Visibility—
Dew point29°
Sun, 1873° / 47°0
Morning53°feels 49°
Afternoon67°feels 65°
Evening62°feels 60°
Overnight55°feels 52°
73 °
Letcher, Sunday, 18 October
Clear. High 73°, low 47°.
Pressure29.83 inHg
Wind13.8 mph S
Humidity29%
Visibility—
Dew point32°
Mon, 1971° / 50°0
Morning56°feels 54°
Afternoon67°feels 65°
Evening59°feels 56°
Overnight53°feels 51°
71 °
Letcher, Monday, 19 October
Overcast. High 71°, low 50°.
Pressure30.09 inHg
Wind10 mph NE
Humidity31%
Visibility—
Dew point35°
Tue, 2071° / 47°0
Morning53°feels 50°
Afternoon67°feels 66°
Evening66°feels 65°
Overnight57°feels 56°
71 °
Letcher, Tuesday, 20 October
Clear. High 71°, low 47°.
Pressure30.03 inHg
Wind15.5 mph SE
Humidity52%
Visibility—
Dew point46°
Wed, 2179° / 58°0.01
Morning63°feels 63°
Afternoon76°feels 76°
Evening73°feels 73°
Overnight67°feels 67°
79 °
Letcher, Wednesday, 21 October
Light rain. High 79°, low 58°.
Pressure29.88 inHg
Wind22 mph S
Humidity51%
Visibility—
Dew point55°
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 Letcher, 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.