Ten-day forecast for Grangetown: +10° to +31°, with rain expected on 5 days. The table below breaks each day down by time of day — morning, afternoon, evening and night.
+31°
Best day: 13 August, Thursday
+19° · 7.8 mm
Worst day: 16 August, Sunday
Tap any day below to see the weather morning, afternoon, evening and night.
Sun, 09+14 ° /21 °1.6
Morning+17°feels +17°
Afternoon+21°feels +21°
Evening+17°feels +17°
Night+15°feels +14°
+21 °
Grangetown, Sunday, 9 August
Light rain. High 21°C, low 14°C.
Pressure1013 mb
Wind12 mph W
Humidity57%
Visibility6.2 mi
Dew point12°C
Mon, 10+10 ° /18 °0.2
Morning+14°feels +13°
Afternoon+18°feels +17°
Evening+16°feels +15°
Night+14°feels +14°
+18 °
Grangetown, Monday, 10 August
Light rain. High 18°C, low 10°C.
Pressure1021 mb
Wind10 mph N
Humidity57%
Visibility6.2 mi
Dew point8°C
Tue, 11+12 ° /24 °0
Morning+15°feels +14°
Afternoon+23°feels +22°
Evening+18°feels +18°
Night+12°feels +11°
+24 °
Grangetown, Tuesday, 11 August
Partly cloudy. High 24°C, low 12°C.
Pressure1025 mb
Wind6 mph SE
Humidity52%
Visibility6.2 mi
Dew point10°C
Wed, 12+15 ° /29 °0
Morning+18°feels +17°
Afternoon+27°feels +27°
Evening+27°feels +26°
Night+16°feels +15°
+29 °
Grangetown, Wednesday, 12 August
Overcast. High 29°C, low 15°C.
Pressure1022 mb
Wind14 mph S
Humidity34%
Visibility6.2 mi
Dew point7°C
Thu, 13+18 ° /31 °0
Morning+22°feels +21°
Afternoon+29°feels +28°
Evening+25°feels +25°
Night+20°feels +19°
+31 °
Grangetown, Thursday, 13 August
Partly cloudy. High 31°C, low 18°C.
Pressure1017 mb
Wind11 mph S
Humidity24%
Visibility—
Dew point6°C
Fri, 14+16 ° /22 °1.2
Morning+19°feels +19°
Afternoon+21°feels +21°
Evening+17°feels +17°
Night+16°feels +16°
+22 °
Grangetown, Friday, 14 August
Light rain. High 22°C, low 16°C.
Pressure1015 mb
Wind10 mph N
Humidity66%
Visibility—
Dew point15°C
Sat, 15+15 ° /19 °1.4
Morning+17°feels +17°
Afternoon+19°feels +19°
Evening+18°feels +18°
Night+17°feels +17°
+19 °
Grangetown, Saturday, 15 August
Light rain. High 19°C, low 15°C.
Pressure1018 mb
Wind8 mph E
Humidity80%
Visibility—
Dew point15°C
Sun, 16+15 ° /19 °7.8
Morning+16°feels +16°
Afternoon+18°feels +18°
Evening+17°feels +17°
Night+16°feels +16°
+19 °
Grangetown, Sunday, 16 August
Rain. High 19°C, low 15°C.
Pressure1014 mb
Wind8 mph S
Humidity85%
Visibility—
Dew point15°C
Mon, 17+15 ° /20 °1.2
Morning+16°feels +16°
Afternoon+19°feels +18°
Evening+17°feels +16°
Night+15°feels +15°
+20 °
Grangetown, Monday, 17 August
Light rain. High 20°C, low 15°C.
Pressure1011 mb
Wind9 mph W
Humidity68%
Visibility—
Dew point12°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 Grangetown 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.