10-day forecast for Iona, ID: 56° to 99°, with precipitation expected on 0 days. The table below breaks each day into morning, afternoon, evening and overnight.
99°
Best day: Monday, August 10
87°
Worst day: Saturday, August 15
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 0995° / 59°0
Morning67°feels 64°
Afternoon95°feels 90°
Evening87°feels 83°
Overnight70°feels 68°
95 °
Iona, Sunday, 9 August
Partly cloudy. High 95°, low 59°.
Pressure29.80 inHg
Wind10.9 mph W
Humidity8%
Visibility6.2 mi
Dew point24°
Mon, 1099° / 58°0
Morning65°feels 63°
Afternoon97°feels 92°
Evening89°feels 85°
Overnight68°feels 66°
99 °
Iona, Monday, 10 August
Clear. High 99°, low 58°.
Pressure29.80 inHg
Wind10.9 mph W
Humidity15%
Visibility6.2 mi
Dew point38°
Tue, 1197° / 60°0
Morning69°feels 66°
Afternoon95°feels 90°
Evening90°feels 86°
Overnight66°feels 64°
97 °
Iona, Tuesday, 11 August
Clear. High 97°, low 60°.
Pressure29.88 inHg
Wind7.6 mph W
Humidity8%
Visibility6.2 mi
Dew point22°
Wed, 1289° / 68°0
Morning73°feels 71°
Afternoon85°feels 82°
Evening82°feels 80°
Overnight72°feels 69°
89 °
Iona, Wednesday, 12 August
Overcast. High 89°, low 68°.
Pressure29.80 inHg
Wind7 mph S
Humidity17%
Visibility6.2 mi
Dew point35°
Thu, 1393° / 60°0
Morning68°feels 66°
Afternoon87°feels 84°
Evening76°feels 75°
Overnight68°feels 67°
93 °
Iona, Thursday, 13 August
Overcast. High 93°, low 60°.
Pressure29.71 inHg
Wind16.1 mph SW
Humidity12%
Visibility—
Dew point27°
Fri, 1485° / 63°0
Morning69°feels 68°
Afternoon82°feels 80°
Evening83°feels 81°
Overnight73°feels 71°
85 °
Iona, Friday, 14 August
Light rain. High 85°, low 63°.
Pressure29.91 inHg
Wind14.3 mph S
Humidity29%
Visibility—
Dew point44°
Sat, 1587° / 61°0.03
Morning65°feels 64°
Afternoon76°feels 75°
Evening75°feels 74°
Overnight64°feels 63°
87 °
Iona, Saturday, 15 August
Light rain. High 87°, low 61°.
Pressure30.09 inHg
Wind27 mph SW
Humidity40%
Visibility—
Dew point48°
Sun, 1692° / 56°0
Morning64°feels 63°
Afternoon85°feels 83°
Evening87°feels 83°
Overnight69°feels 67°
92 °
Iona, Sunday, 16 August
Clear. High 92°, low 56°.
Pressure30.03 inHg
Wind11.1 mph W
Humidity24%
Visibility—
Dew point40°
Mon, 1793° / 59°0
Morning67°feels 65°
Afternoon88°feels 84°
Evening90°feels 86°
Overnight76°feels 74°
93 °
Iona, Monday, 17 August
Partly cloudy. High 93°, low 59°.
Pressure30.00 inHg
Wind11.7 mph SW
Humidity19%
Visibility—
Dew point37°
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 Iona, ID 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.