10-day forecast for Lancaster, OR: 50° to 90°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.
90°
Best day: Saturday, August 15
64° · 0.21 in
Worst day: Monday, August 17
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1087° / 50°0
Morning59°feels 58°
Afternoon84°feels 82°
Evening77°feels 76°
Overnight54°feels 53°
87 °
Lancaster, Monday, 10 August
Clear. High 87°, low 50°.
Pressure30.06 inHg
Wind11.5 mph N
Humidity28%
Visibility6.2 mi
Dew point42°
Tue, 1189° / 53°0
Morning60°feels 59°
Afternoon86°feels 83°
Evening76°feels 76°
Overnight56°feels 55°
89 °
Lancaster, Tuesday, 11 August
Clear. High 89°, low 53°.
Pressure30.06 inHg
Wind12.3 mph N
Humidity30%
Visibility6.2 mi
Dew point46°
Wed, 1288° / 56°0
Morning61°feels 61°
Afternoon84°feels 82°
Evening71°feels 70°
Overnight58°feels 57°
88 °
Lancaster, Wednesday, 12 August
Clear. High 88°, low 56°.
Pressure29.97 inHg
Wind11.1 mph N
Humidity40%
Visibility6.2 mi
Dew point52°
Thu, 1389° / 52°0
Morning65°feels 64°
Afternoon83°feels 81°
Evening71°feels 70°
Overnight58°feels 58°
89 °
Lancaster, Thursday, 13 August
Clear. High 89°, low 52°.
Pressure29.83 inHg
Wind11.6 mph N
Humidity27%
Visibility—
Dew point44°
Fri, 1490° / 54°0
Morning67°feels 66°
Afternoon84°feels 82°
Evening71°feels 70°
Overnight59°feels 59°
90 °
Lancaster, Friday, 14 August
Partly cloudy. High 90°, low 54°.
Pressure29.91 inHg
Wind6.4 mph N
Humidity30%
Visibility—
Dew point48°
Sat, 1590° / 54°0
Morning68°feels 67°
Afternoon86°feels 83°
Evening68°feels 67°
Overnight58°feels 58°
90 °
Lancaster, Saturday, 15 August
Clear. High 90°, low 54°.
Pressure29.94 inHg
Wind9 mph W
Humidity25%
Visibility—
Dew point45°
Sun, 1686° / 53°0
Morning66°feels 65°
Afternoon83°feels 80°
Evening69°feels 67°
Overnight62°feels 61°
86 °
Lancaster, Sunday, 16 August
Overcast. High 86°, low 53°.
Pressure29.94 inHg
Wind15.8 mph W
Humidity22%
Visibility—
Dew point39°
Mon, 1764° / 56°0.21
Morning59°feels 59°
Afternoon63°feels 62°
Evening58°feels 58°
Overnight57°feels 57°
64 °
Lancaster, Monday, 17 August
Light rain. High 64°, low 56°.
Pressure30.06 inHg
Wind5.1 mph S
Humidity75%
Visibility—
Dew point55°
Tue, 1872° / 56°0
Morning62°feels 61°
Afternoon71°feels 70°
Evening65°feels 65°
Overnight62°feels 62°
72 °
Lancaster, Tuesday, 18 August
Light rain. High 72°, low 56°.
Pressure30.00 inHg
Wind7.7 mph N
Humidity56%
Visibility—
Dew point53°
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 Lancaster, OR 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.