10-day forecast for Helena, OH: 56° to 89°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.
87°
Best day: Sunday, August 9
89° · 1.59 in
Worst day: Monday, August 10
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1089° / 67°1.59
Morning70°feels 71°
Afternoon87°feels 95°
Evening81°feels 87°
Overnight74°feels 76°
89 °
Helena, Monday, 10 August
Heavy rain. High 89°, low 67°.
Pressure29.91 inHg
Wind17.1 mph SW
Humidity71%
Visibility6.2 mi
Dew point71°
Tue, 1185° / 64°1.19
Morning68°feels 69°
Afternoon85°feels 90°
Evening66°feels 67°
Overnight65°feels 65°
85 °
Helena, Tuesday, 11 August
Heavy rain. High 85°, low 64°.
Pressure29.91 inHg
Wind10.9 mph SE
Humidity65%
Visibility6.2 mi
Dew point69°
Wed, 1283° / 65°0.04
Morning67°feels 68°
Afternoon83°feels 85°
Evening74°feels 75°
Overnight65°feels 66°
83 °
Helena, Wednesday, 12 August
Light rain. High 83°, low 65°.
Pressure29.77 inHg
Wind5 mph N
Humidity70%
Visibility6.2 mi
Dew point69°
Thu, 1374° / 61°0
Morning65°feels 65°
Afternoon72°feels 71°
Evening65°feels 65°
Overnight63°feels 63°
74 °
Helena, Thursday, 13 August
Overcast. High 74°, low 61°.
Pressure30.00 inHg
Wind10.1 mph N
Humidity52%
Visibility—
Dew point53°
Fri, 1474° / 57°0
Morning62°feels 62°
Afternoon72°feels 71°
Evening65°feels 65°
Overnight59°feels 58°
74 °
Helena, Friday, 14 August
Partly cloudy. High 74°, low 57°.
Pressure30.12 inHg
Wind8 mph N
Humidity51%
Visibility—
Dew point51°
Sat, 1572° / 56°0
Morning63°feels 63°
Afternoon70°feels 70°
Evening61°feels 60°
Overnight57°feels 56°
72 °
Helena, Saturday, 15 August
Overcast. High 72°, low 56°.
Pressure30.30 inHg
Wind9.1 mph NE
Humidity53%
Visibility—
Dew point52°
Sun, 1673° / 56°0.12
Morning60°feels 60°
Afternoon70°feels 70°
Evening65°feels 65°
Overnight60°feels 59°
73 °
Helena, Sunday, 16 August
Light rain. High 73°, low 56°.
Pressure30.15 inHg
Wind6.9 mph S
Humidity59%
Visibility—
Dew point54°
Mon, 1779° / 60°0.04
Morning67°feels 68°
Afternoon75°feels 75°
Evening71°feels 71°
Overnight65°feels 66°
79 °
Helena, Monday, 17 August
Light rain. High 79°, low 60°.
Pressure30.03 inHg
Wind6.8 mph S
Humidity70%
Visibility—
Dew point63°
Tue, 1881° / 60°0
Morning67°feels 68°
Afternoon80°feels 80°
Evening71°feels 72°
Overnight65°feels 65°
81 °
Helena, Tuesday, 18 August
Clear. High 81°, low 60°.
Pressure30.03 inHg
Wind6.3 mph S
Humidity50%
Visibility—
Dew point58°
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 Helena, OH 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.