10-day forecast for Heppner, SD: 33° to 76°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.
76°
Best day: Monday, October 19
49° · 0.4 in
Worst day: Wednesday, October 14
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1266° / 45°0.02
Morning52°feels 51°
Afternoon65°feels 64°
Evening50°feels 45°
Overnight51°feels 51°
66 °
Heppner, Monday, 12 October
Light rain. High 66°, low 45°.
Pressure29.80 inHg
Wind14.5 mph W
Humidity56%
Visibility6.2 mi
Dew point46°
Tue, 1351° / 42°0.24
Morning43°feels 37°
Afternoon50°feels 47°
Evening49°feels 46°
Overnight42°feels 38°
51 °
Heppner, Tuesday, 13 October
Rain. High 51°, low 42°.
Pressure30.03 inHg
Wind8.5 mph E
Humidity73%
Visibility6.2 mi
Dew point40°
Wed, 1449° / 45°0.4
Morning45°feels 41°
Afternoon50°feels 48°
Evening46°feels 42°
Overnight47°feels 44°
49 °
Heppner, Wednesday, 14 October
Rain. High 49°, low 45°.
Pressure30.21 inHg
Wind10.2 mph E
Humidity75%
Visibility6.2 mi
Dew point41°
Thu, 1558° / 41°0.41
Morning47°feels 46°
Afternoon49°feels 48°
Evening50°feels 48°
Overnight45°feels 42°
58 °
Heppner, Thursday, 15 October
Rain. High 58°, low 41°.
Pressure30.39 inHg
Wind6.5 mph NE
Humidity95%
Visibility—
Dew point47°
Fri, 1660° / 33°0
Morning38°feels 37°
Afternoon52°feels 49°
Evening51°feels 48°
Overnight42°feels 42°
60 °
Heppner, Friday, 16 October
Clear. High 60°, low 33°.
Pressure30.65 inHg
Wind6.8 mph SW
Humidity44%
Visibility—
Dew point28°
Sat, 1772° / 40°0
Morning46°feels 43°
Afternoon62°feels 60°
Evening62°feels 60°
Overnight55°feels 52°
72 °
Heppner, Saturday, 17 October
Clear. High 72°, low 40°.
Pressure30.09 inHg
Wind8.8 mph SW
Humidity33%
Visibility—
Dew point30°
Sun, 1873° / 51°0
Morning57°feels 54°
Afternoon69°feels 67°
Evening63°feels 60°
Overnight58°feels 55°
73 °
Heppner, Sunday, 18 October
Partly cloudy. High 73°, low 51°.
Pressure30.00 inHg
Wind8.3 mph W
Humidity23%
Visibility—
Dew point28°
Mon, 1976° / 52°0
Morning57°feels 54°
Afternoon69°feels 67°
Evening65°feels 62°
Overnight59°feels 56°
76 °
Heppner, Monday, 19 October
Clear. High 76°, low 52°.
Pressure29.88 inHg
Wind11.9 mph W
Humidity24%
Visibility—
Dew point29°
Tue, 2071° / 53°0
Morning57°feels 54°
Afternoon66°feels 63°
Evening63°feels 60°
Overnight56°feels 54°
71 °
Heppner, Tuesday, 20 October
Mostly clear. High 71°, low 53°.
Pressure29.85 inHg
Wind13 mph W
Humidity30%
Visibility—
Dew point32°
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 Heppner, 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.