Saint-Marcellin

Isère, Auvergne-Rhône-Alpes, France

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Current Weather

18°

Overcast

Feels Like: 17°

Min: 17°

Max: 25°

The next few hours will be overcast, with today reaching 25°C and dropping to 17°C. The coming days will be drizzle

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Hourly Forecast

17° 18° 21° 23° 23° 23° 24° 24° 25° 24° 21° 20° 19° 19° 19° 18° 18° 18° 18° 18° 18° 18° 18° 17°
70%
70%
50%
50%
68%
68%
68%
94%
94%
94%
92%
92%
8am
9am
10am
11am
12pm
1pm
2pm
3pm
4pm
5pm
6pm
7pm
8pm
9pm
10pm
11pm
12am
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Today
Tomorrow

Daylight Hours

07:43

Sunrise

19:12

Sunset

11 hours 29 minutes of sunlight today

Moon

Waning Gibbous

20:57

Moonrise

12:16

Moonset

Daily Forecast

Today

17°
25°

Thursday

17°
21°

Friday

15°
20°

Saturday

14°
24°

Sunday

15°
25°

Monday

15°
20°

Tuesday

13°
21°

Wednesday

15°
22°

Thursday

12°
19°

Friday

7°
14°

Air Quality Data Available

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UV Index

No protection needed
0 Low
Low Extreme

Humidity

67% Comfortable
Low High

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Weather in Saint-Marcellin today, September 30, 2026

Saint-Marcellin starts September 30, 2026 looking damp, with rain in the forecast and wetter spells likely at times. Waterproof kit is the safer call for early plans. The morning sky stays heavily clouded, with cover near 100% around 08:00. Grey conditions set the early tone before any later change.

The temperature range runs from about 17°C up to 25°C. The air stays humid, with relative humidity between 47% and 97% and the peak around 22:00. A lighter breeze peaks around 17:00 near 5.7 km/h.

Afternoon showers stay in play, peaking near 70% around 19:00. Skies remain cluttered, with cover about 100% by 12:00. Visibility holds near 28.6 km, though it can fall to 0.8 km. Expect sunrise at 07:43, sunset at 19:12, and 11 hours 29 minutes of sunlight today overall.

In short, treat September 30, 2026 in Saint-Marcellin as a damp day: pack covers, watch the wetter hours, and expect a high near 25°C.

Frequently asked questions about weather in Saint-Marcellin

How warm does it get in Saint-Marcellin?

The warmest month in Saint-Marcellin 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 Saint-Marcellin?

The coldest month in Saint-Marcellin is January, with average low temperatures of 0°C. The average temperature during this period is around 4°C.

What is the wettest time of year in Saint-Marcellin?

The wettest month in Saint-Marcellin is May, with an average of 117mm of precipitation.

What is the driest time of year in Saint-Marcellin?

The driest month in Saint-Marcellin is July, with an average of 50mm of precipitation.

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Metric (°C, km/h)