Ten-day forecast for Porthgain: +11° to +23°, with rain expected on 1 day. The table below breaks each day down by time of day — morning, afternoon, evening and night.
+23°
Best day: 8 August, Saturday
+18° · 1.5 mm
Worst day: 16 August, Sunday
Tap any day below to see the weather morning, afternoon, evening and night.
Sun, 09+13 ° /23 °0
Morning+18°feels +18°
Afternoon+23°feels +23°
Evening+19°feels +19°
Night+14°feels +14°
+23 °
Porthgain, Sunday, 9 August
Overcast. High 23°C, low 13°C.
Pressure1015 mb
Wind9 mph W
Humidity81%
Visibility6.2 mi
Dew point14°C
Mon, 10+13 ° /18 °0
Morning+16°feels +16°
Afternoon+16°feels +15°
Evening+16°feels +15°
Night+15°feels +14°
+18 °
Porthgain, Monday, 10 August
Overcast. High 18°C, low 13°C.
Pressure1023 mb
Wind13 mph N
Humidity72%
Visibility6.2 mi
Dew point11°C
Tue, 11+15 ° /20 °0
Morning+17°feels +16°
Afternoon+20°feels +19°
Evening+19°feels +19°
Night+16°feels +15°
+20 °
Porthgain, Tuesday, 11 August
Mainly clear. High 20°C, low 15°C.
Pressure1023 mb
Wind18 mph SE
Humidity68%
Visibility6.2 mi
Dew point14°C
Wed, 12+17 ° /22 °0
Morning+18°feels +17°
Afternoon+21°feels +21°
Evening+19°feels +19°
Night+18°feels +17°
+22 °
Porthgain, Wednesday, 12 August
Overcast. High 22°C, low 17°C.
Pressure1021 mb
Wind14 mph SE
Humidity57%
Visibility6.2 mi
Dew point12°C
Thu, 13+17 ° /19 °0
Morning+18°feels +18°
Afternoon+18°feels +19°
Evening+19°feels +19°
Night+18°feels +18°
+19 °
Porthgain, Thursday, 13 August
Clear sky. High 19°C, low 17°C.
Pressure1019 mb
Wind10 mph W
Humidity90%
Visibility—
Dew point17°C
Fri, 14+17 ° /19 °0
Morning+18°feels +18°
Afternoon+18°feels +19°
Evening+18°feels +18°
Night+18°feels +18°
+19 °
Porthgain, Friday, 14 August
Overcast. High 19°C, low 17°C.
Pressure1018 mb
Wind10 mph SW
Humidity94%
Visibility—
Dew point17°C
Sat, 15+16 ° /17 °0
Morning+16°feels +16°
Afternoon+16°feels +16°
Evening+16°feels +16°
Night+16°feels +16°
+17 °
Porthgain, Saturday, 15 August
Overcast. High 17°C, low 16°C.
Pressure1019 mb
Wind17 mph N
Humidity82%
Visibility—
Dew point13°C
Sun, 16+16 ° /18 °1.5
Morning+17°feels +17°
Afternoon+17°feels +17°
Evening+17°feels +17°
Night+17°feels +17°
+18 °
Porthgain, Sunday, 16 August
Light rain. High 18°C, low 16°C.
Pressure1015 mb
Wind11 mph W
Humidity85%
Visibility—
Dew point14°C
Mon, 17+15 ° /17 °0.2
Morning+15°feels +15°
Afternoon+17°feels +16°
Evening+17°feels +17°
Night+17°feels +17°
+17 °
Porthgain, Monday, 17 August
Light rain. High 17°C, low 15°C.
Pressure1016 mb
Wind19 mph NW
Humidity72%
Visibility—
Dew point11°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 Porthgain 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.