10-Day Weather Forecast for Carmarthen

Six-hourly outlook through Tuesday 8 September. Updated every three hours via MET Norway.

Day
Night
01:00
Morning
07:00
Afternoon
13:00
Evening
19:00
Sunday
30 Aug
Mostly clear
14°C (57°F)
0.1 mm (0 in)
Heavy rain
15°C (59°F)
6.6 mm (0.3 in)
Heavy rain
17°C (63°F)
7.7 mm (0.3 in)
Rain showers
16°C (61°F)
2.7 mm (0.1 in)
Hourly ›
Monday
31 Aug
Partly cloudy
13°C (55°F)
0.4 mm (0.02 in)
Light rain showers
14°C (57°F)
0.6 mm (0.02 in)
Partly cloudy
17°C (63°F)
0.1 mm (0 in)
Partly cloudy
16°C (61°F)
0 mm (0 in)
Hourly ›
Tuesday
1 Sep
Partly cloudy
12°C (54°F)
0 mm (0 in)
Partly cloudy
13°C (55°F)
0.4 mm (0.02 in)
Rain
19°C (66°F)
1.1 mm (0.04 in)
Cloudy
17°C (63°F)
0.1 mm (0 in)
Hourly ›
Wednesday
2 Sep
Rain
16°C (61°F)
2.3 mm (0.1 in)
Rain
17°C (63°F)
3.1 mm (0.1 in)
Rain
19°C (66°F)
2.2 mm (0.1 in)
Cloudy
18°C (64°F)
0.4 mm (0.02 in)
Hourly ›
Thursday
3 Sep
Heavy rain
18°C (64°F)
6.2 mm (0.2 in)
Rain
18°C (64°F)
1.6 mm (0.1 in)
Rain
20°C (68°F)
1.7 mm (0.1 in)
Rain
19°C (66°F)
2.1 mm (0.1 in)
Hourly ›
Friday
4 Sep
Cloudy
18°C (64°F)
0.2 mm (0.01 in)
Cloudy
16°C (61°F)
0 mm (0 in)
Cloudy
18°C (64°F)
0.1 mm (0 in)
Rain
16°C (61°F)
1.1 mm (0.04 in)
Hourly ›
Saturday
5 Sep
Heavy rain
15°C (59°F)
5.2 mm (0.2 in)
Rain
19°C (66°F)
2.8 mm (0.1 in)
Rain
20°C (68°F)
2.1 mm (0.1 in)
Heavy rain
19°C (66°F)
6.7 mm (0.3 in)
Hourly ›
Sunday
6 Sep
Cloudy
14°C (57°F)
0.4 mm (0.02 in)
Cloudy
13°C (55°F)
0 mm (0 in)
Partly cloudy
17°C (63°F)
0 mm (0 in)
Mostly clear
14°C (57°F)
0 mm (0 in)
Hourly ›
Monday
7 Sep
Clear skies
11°C (52°F)
0 mm (0 in)
Cloudy
9°C (48°F)
0 mm (0 in)
Cloudy
16°C (61°F)
0 mm (0 in)
Partly cloudy
15°C (59°F)
0 mm (0 in)
Hourly ›
Tuesday
8 Sep
Rain
13°C (55°F)
2 mm (0.1 in)
Rain
12°C (54°F)
3.6 mm (0.1 in)
Hourly ›
Data from MET Norway · Updated every three hours.

What's the weather in Carmarthen this week?

Today's weather - Sunday 30 Aug

For Sunday the predicted weather in Carmarthen is heavy rain throughout the day. The maximum temperature is a mild 17°C (63°F), while the minimum temperature is a mild 14°C (57°F).

Tomorrow's weather - Monday 31 Aug

The forecast for Carmarthen on Monday is partly cloudy with some rain during the morning. The maximum predicted temperature is a mild 17°C (63°F), while the minimum temperature is a mild 13°C (55°F).

10-Day Weather Forecast

In the coming 10 days, the weather in Carmarthen will vary between 17°C (63°F) and 20°C (68°F). Daytime highs during this period will average around 18°C (64°F), with nighttime lows around 15°C (59°F). Compared to August norms, this represents typical weather. Rainfall is expected to be more than usual (compared to typical August conditions). The forecast shows some rainy days. There will be rain on around 7 days (Sun, Mon, Tue, Wed, Thu, Fri, Sat).

Weather Forecast FAQ for Carmarthen

When will be the warmest day next week?

The warmest day is expected to be Saturday with a high of 20°C (68°F).

When will be the coldest day?

The coldest day is forecasted for Tuesday with a low of 12°C (54°F).

Will it rain next week in Carmarthen?

Yes, rain is expected on 7 days , specifically on Sun, Mon, Tue, Wed, Thu, Fri, Sat.

How much rainfall is expected next week?

A total of 58 mm (2.3 in) of rain is forecasted for the 10-day period.

What will be the temperature range next week?

Temperatures will range from 12°C (54°F) to 20°C (68°F).

More about Carmarthen

Explore the full Carmarthen climate overview with monthly averages, or check rainfall data and temperature by month.

Carmarthen weather by month

Browse monthly averages for Carmarthen: climate by month with temperature, rainfall and sunshine.

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