Montalieu

Isère, Auvergne-Rhône-Alpes, France

Unlock Minute-by-Minute Forecast

See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.

Current Weather

18°

Mostly Cloudy

Feels Like: 15°

Min: 17°

Max: 27°

The next few hours will be overcast, with today reaching 27°C and dropping to 17°C. The coming days will be drizzle

Does this forecast seem accurate?

Unlock Historical Data

Compare today's weather with yesterday's data and track temperature trends over time.

Hourly Forecast

18° 18° 18° 17° 19° 20° 22° 24° 26° 26° 27° 27° 27° 26° 24° 22° 21° 21° 20° 19° 19° 19° 18° 18°
5am
6am
7am
8am
9am
10am
11am
12pm
1pm
2pm
3pm
4pm
5pm
6pm
7pm
8pm
9pm
10pm
11pm
12am
1am
2am
3am
4am
Today
Tomorrow

Daylight Hours

07:40

Sunrise

19:15

Sunset

11 hours 35 minutes of sunlight today

Moon

Waning Gibbous

19:50

Moonrise

09:38

Moonset

Daily Forecast

Today

17°
27°

Tuesday

17°
28°

Wednesday

18°
24°

Thursday

16°
18°

Friday

12°
20°

Saturday

15°
25°

Sunday

16°
24°

Monday

15°
20°

Tuesday

11°
18°

Wednesday

11°
22°

Air Quality Data Available

Upgrade to access real-time air quality data for Montalieu.

UV Index

No protection needed
0 Low
Low Extreme

Humidity

79% Humid
Low High

Current stargazing conditions?

See sky darkness, moon phase, and the best viewing window for Montalieu.

View stargazing score

Weather in Montalieu today, September 28, 2026

Montalieu stays under cloudy skies on September 28, 2026, with only brief brighter breaks. Plan for a day that feels grey more often than open. The morning sky stays heavily clouded, with cover near 100% around 06:00. Grey conditions set the early tone before any later change.

Temperatures climb from an overnight low near 17°C toward a daytime high of about 27°C. Expect humidity between 31% and 85%, most humid near 08:00. A lighter breeze peaks around 14:00 near 3.6 km/h.

Expect persistent cloud later on, with amounts around 100% by 14:00. Sunshine remains the exception, not the rule. Visibility stays generally good near 38.8 km on average, though it can drop toward 26.9 km in thicker cloud or showers. Daylight runs from 07:40 to 19:15, lasting 11 hours 35 minutes of sunlight today.

Overall, Montalieu on September 28, 2026 stays grey and muted, so outdoor plans may want a flexible backup even with a high near 27°C.

Frequently asked questions about weather in Montalieu

How warm does it get in Montalieu?

The warmest month in Montalieu is August, with average high temperatures of 28°C. The average temperature during this period is around 22°C.

How cold does it get in Montalieu?

The coldest month in Montalieu is January, with average low temperatures of 1°C. The average temperature during this period is around 3°C.

What is the wettest time of year in Montalieu?

The wettest month in Montalieu is December, with an average of 154mm of precipitation.

What is the driest time of year in Montalieu?

The driest month in Montalieu is July, with an average of 75mm of precipitation.

View full climate insights for Montalieu →

Airpult

Get accurate weather forecasts worldwide with real-time updates and severe weather alerts. Covering 6M+ locations with precise, reliable weather data.

© 2026 Samuenti GmbH. All rights reserved.

gb English
Metric (°C, km/h)