Ten-day forecast for Trefechan: +3° to +15°, with rain expected on 7 days. The table below breaks each day down by time of day — morning, afternoon, evening and night.
+15°
Best day: 14 October, Wednesday
+11° · 2.8 mm
Worst day: 7 October, Wednesday
Tap any day below to see the weather morning, afternoon, evening and night.
Thu, 08+7 ° /14 °1.6
Morning+8°feels +5°
Afternoon+14°feels +13°
Evening+9°feels +7°
Night+8°feels +5°
+14 °
Trefechan, Thursday, 8 October
Light rain. High 14°C, low 7°C.
Pressure1023 mb
Wind12 mph NW
Humidity73%
Visibility6.2 mi
Dew point6°C
Fri, 09+8 ° /14 °3.5
Morning+13°feels +13°
Afternoon+13°feels +12°
Evening+9°feels +6°
Night+13°feels +13°
+14 °
Trefechan, Friday, 9 October
Light rain. High 14°C, low 8°C.
Pressure1008 mb
Wind16 mph W
Humidity90%
Visibility6.2 mi
Dew point12°C
Sat, 10+7 ° /10 °1.7
Morning+7°feels +3°
Afternoon+10°feels +6°
Evening+8°feels +4°
Night+8°feels +4°
+10 °
Trefechan, Saturday, 10 October
Light rain. High 10°C, low 7°C.
Pressure1010 mb
Wind20 mph W
Humidity73%
Visibility6.2 mi
Dew point5°C
Sun, 11+5 ° /12 °0.1
Morning+8°feels +5°
Afternoon+11°feels +10°
Evening+8°feels +8°
Night+7°feels +4°
+12 °
Trefechan, Sunday, 11 October
Light rain. High 12°C, low 5°C.
Pressure1013 mb
Wind9 mph W
Humidity74%
Visibility6.2 mi
Dew point6°C
Mon, 12+6 ° /15 °1.8
Morning+10°feels +7°
Afternoon+14°feels +14°
Evening+15°feels +15°
Night+14°feels +13°
+15 °
Trefechan, Monday, 12 October
Light rain. High 15°C, low 6°C.
Pressure1010 mb
Wind15 mph SW
Humidity91%
Visibility—
Dew point12°C
Tue, 13+7 ° /15 °1.4
Morning+14°feels +14°
Afternoon+12°feels +11°
Evening+7°feels +6°
Night+8°feels +7°
+15 °
Trefechan, Tuesday, 13 October
Light rain. High 15°C, low 7°C.
Pressure1020 mb
Wind17 mph SW
Humidity73%
Visibility—
Dew point8°C
Wed, 14+7 ° /15 °0
Morning+9°feels +7°
Afternoon+14°feels +13°
Evening+9°feels +7°
Night+7°feels +5°
+15 °
Trefechan, Wednesday, 14 October
Partly cloudy. High 15°C, low 7°C.
Pressure1029 mb
Wind9 mph SW
Humidity59%
Visibility—
Dew point6°C
Thu, 15+4 ° /13 °1.4
Morning+8°feels +6°
Afternoon+12°feels +11°
Evening+6°feels +3°
Night+5°feels +2°
+13 °
Trefechan, Thursday, 15 October
Light rain. High 13°C, low 4°C.
Pressure1017 mb
Wind13 mph S
Humidity75%
Visibility—
Dew point8°C
Fri, 16+3 ° /10 °0
Morning+5°feels +4°
Afternoon+10°feels +8°
Evening+6°feels +4°
Night+4°feels +2°
+10 °
Trefechan, Friday, 16 October
Overcast. High 10°C, low 3°C.
Pressure1025 mb
Wind7 mph S
Humidity58%
Visibility—
Dew point2°C
Forecast questions
How accurate is a 10-day forecast?
The first 3–5 days are the most dependable — usually within 1–2 degrees. From day 6 to 10 the models show the trend: the direction of change is right more often than the exact figures.
What does the time-of-day table show?
Temperature in Trefechan at 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 temperature against expected rainfall: a warm, dry day scores highest.