7-Day Weather Forecast

Helena 7-Day Weather Forecast

Helena, United States

Aug 1 – Aug 7, 2026 as of 00:06

Week at a glance

Week high +39°C +102°F Sat, 1 Aug

Week low +5°C +41°F Tue, 4 Aug

Days with rain chance 3 Mon, 3 Aug · 11%

Avg. high +30°C +86°F

Helena — 7-Day Weather Forecast

Weather FAQ for Helena

What is the temperature in Helena?

The temperature in Helena is +39°C.

What does it feel like in Helena?

It feels like +19°C in Helena.

What are the high and low in Helena?

The high is +39°C and the low is +19°C in Helena.

What is the chance of rain in Helena?

There is a 0% chance of precipitation in Helena.

How windy is it in Helena?

Winds are around 8.6 m/s from the W in Helena.

What is the UV index in Helena?

The UV index is 8 in Helena.

Helena weather forecast day by day

Next 7 days in Helena with daily highs, lows, rain chance and wind.

Saturday, 1 August weather in Helena

On Saturday, 1 August, the Helena forecast calls for Overcast, with a high near 39°C and a low around 19°C (feeling like 36°C). UV index peaks near 8 — sun protection is advised. Typical daytime humidity is around 15%.

Sunday, 2 August weather in Helena

On Sunday, 2 August, the Helena forecast calls for Overcast, with a high near 27°C and a low around 14°C (feeling like 21°C). UV index peaks near 8 — sun protection is advised. Typical daytime humidity is around 18%.

Monday, 3 August weather in Helena

On Monday, 3 August, the Helena forecast calls for Partly Cloudy, with a high near 24°C and a low around 6°C (feeling like 19°C). UV index peaks near 7 — sun protection is advised. Typical daytime humidity is around 32%.

Tuesday, 4 August weather in Helena

On Tuesday, 4 August, the Helena forecast calls for Clear, with a high near 26°C and a low around 5°C (feeling like 24°C). UV index peaks near 7 — sun protection is advised. Typical daytime humidity is around 25%.

Wednesday, 5 August weather in Helena

On Wednesday, 5 August, the Helena forecast calls for Overcast, with a high near 31°C and a low around 8°C (feeling like 28°C). UV index peaks near 7 — sun protection is advised. Typical daytime humidity is around 17%.

Thursday, 6 August weather in Helena

On Thursday, 6 August, the Helena forecast calls for Overcast, with a high near 30°C and a low around 9°C (feeling like 28°C). UV index peaks near 7 — sun protection is advised. Typical daytime humidity is around 32%.

Friday, 7 August weather in Helena

On Friday, 7 August, the Helena forecast calls for Overcast, with a high near 35°C and a low around 9°C (feeling like 33°C). UV index peaks near 7 — sun protection is advised. Typical daytime humidity is around 20%.