10-day forecast for Ahtanum, WA: 56° to 98°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.
98°
Best day: Saturday, August 15
73° · 0.19 in
Worst day: Monday, August 17
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1092° / 59°0
Morning66°feels 64°
Afternoon84°feels 81°
Evening82°feels 80°
Overnight62°feels 60°
92 °
Ahtanum, Monday, 10 August
Clear. High 92°, low 59°.
Pressure29.85 inHg
Wind8.1 mph SE
Humidity19%
Visibility6.2 mi
Dew point39°
Tue, 1195° / 61°0
Morning69°feels 68°
Afternoon91°feels 87°
Evening84°feels 82°
Overnight64°feels 62°
95 °
Ahtanum, Tuesday, 11 August
Clear. High 95°, low 61°.
Pressure29.94 inHg
Wind7 mph SE
Humidity21%
Visibility6.2 mi
Dew point41°
Wed, 1294° / 63°0
Morning70°feels 69°
Afternoon91°feels 87°
Evening82°feels 80°
Overnight66°feels 64°
94 °
Ahtanum, Wednesday, 12 August
Clear. High 94°, low 63°.
Pressure29.83 inHg
Wind7 mph SE
Humidity23%
Visibility6.2 mi
Dew point44°
Thu, 1392° / 63°0
Morning76°feels 74°
Afternoon89°feels 85°
Evening82°feels 80°
Overnight65°feels 64°
92 °
Ahtanum, Thursday, 13 August
Clear. High 92°, low 63°.
Pressure29.74 inHg
Wind6.3 mph NW
Humidity18%
Visibility—
Dew point38°
Fri, 1494° / 66°0
Morning78°feels 76°
Afternoon91°feels 87°
Evening83°feels 80°
Overnight72°feels 71°
94 °
Ahtanum, Friday, 14 August
Clear. High 94°, low 66°.
Pressure29.80 inHg
Wind8.1 mph E
Humidity17%
Visibility—
Dew point38°
Sat, 1598° / 66°0
Morning79°feels 77°
Afternoon92°feels 88°
Evening82°feels 79°
Overnight72°feels 71°
98 °
Ahtanum, Saturday, 15 August
Light rain. High 98°, low 66°.
Pressure29.83 inHg
Wind17 mph S
Humidity15%
Visibility—
Dew point37°
Sun, 1693° / 64°0
Morning77°feels 75°
Afternoon90°feels 86°
Evening74°feels 73°
Overnight69°feels 67°
93 °
Ahtanum, Sunday, 16 August
Overcast. High 93°, low 64°.
Pressure29.80 inHg
Wind19.8 mph SW
Humidity14%
Visibility—
Dew point34°
Mon, 1773° / 60°0.19
Morning65°feels 64°
Afternoon65°feels 65°
Evening67°feels 66°
Overnight61°feels 59°
73 °
Ahtanum, Monday, 17 August
Rain. High 73°, low 60°.
Pressure29.97 inHg
Wind9.6 mph SW
Humidity68%
Visibility—
Dew point54°
Tue, 1881° / 56°0
Morning67°feels 65°
Afternoon79°feels 78°
Evening73°feels 72°
Overnight65°feels 64°
81 °
Ahtanum, Tuesday, 18 August
Partly cloudy. High 81°, low 56°.
Pressure29.88 inHg
Wind6.3 mph N
Humidity27%
Visibility—
Dew point40°
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 Ahtanum, WA 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.