10-day forecast for South Bay, WA: 50° to 89°, with precipitation expected on 0 days. The table below breaks each day into morning, afternoon, evening and overnight.
89°
Best day: Friday, August 14
79°
Worst day: Sunday, August 9
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1079° / 53°0
Morning56°feels 55°
Afternoon76°feels 75°
Evening73°feels 72°
Overnight54°feels 54°
79 °
South Bay, Monday, 10 August
Overcast. High 79°, low 53°.
Pressure30.09 inHg
Wind2.6 mph SW
Humidity46%
Visibility6.2 mi
Dew point52°
Tue, 1184° / 50°0
Morning58°feels 57°
Afternoon83°feels 81°
Evening70°feels 69°
Overnight51°feels 51°
84 °
South Bay, Tuesday, 11 August
Clear. High 84°, low 50°.
Pressure30.09 inHg
Wind2.5 mph W
Humidity41%
Visibility6.2 mi
Dew point52°
Wed, 1283° / 51°0
Morning58°feels 58°
Afternoon81°feels 81°
Evening69°feels 69°
Overnight54°feels 53°
83 °
South Bay, Wednesday, 12 August
Clear. High 83°, low 51°.
Pressure30.00 inHg
Wind3.4 mph SW
Humidity47%
Visibility6.2 mi
Dew point54°
Thu, 1388° / 53°0
Morning60°feels 59°
Afternoon84°feels 82°
Evening71°feels 71°
Overnight54°feels 53°
88 °
South Bay, Thursday, 13 August
Clear. High 88°, low 53°.
Pressure29.85 inHg
Wind6.4 mph N
Humidity32%
Visibility—
Dew point49°
Fri, 1489° / 55°0
Morning70°feels 69°
Afternoon86°feels 84°
Evening69°feels 68°
Overnight58°feels 58°
89 °
South Bay, Friday, 14 August
Overcast. High 89°, low 55°.
Pressure29.85 inHg
Wind9.9 mph W
Humidity28%
Visibility—
Dew point48°
Sat, 1585° / 53°0
Morning66°feels 65°
Afternoon82°feels 80°
Evening68°feels 67°
Overnight58°feels 58°
85 °
South Bay, Saturday, 15 August
Overcast. High 85°, low 53°.
Pressure29.97 inHg
Wind6.8 mph W
Humidity33%
Visibility—
Dew point49°
Sun, 1688° / 53°0
Morning68°feels 66°
Afternoon85°feels 82°
Evening67°feels 66°
Overnight56°feels 56°
88 °
South Bay, Sunday, 16 August
Partly cloudy. High 88°, low 53°.
Pressure30.03 inHg
Wind10.4 mph W
Humidity27%
Visibility—
Dew point46°
Mon, 1782° / 52°0
Morning65°feels 65°
Afternoon79°feels 78°
Evening64°feels 63°
Overnight56°feels 56°
82 °
South Bay, Monday, 17 August
Mostly clear. High 82°, low 52°.
Pressure30.12 inHg
Wind9.9 mph W
Humidity31%
Visibility—
Dew point46°
Tue, 1887° / 52°0
Morning68°feels 66°
Afternoon85°feels 83°
Evening72°feels 71°
Overnight61°feels 61°
87 °
South Bay, Tuesday, 18 August
Clear. High 87°, low 52°.
Pressure30.09 inHg
Wind4 mph NW
Humidity29%
Visibility—
Dew point47°
About this forecast
How reliable is a 10-day forecast?
The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.
What does the time-of-day table show?
Temperature in South Bay, WA 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 high against precipitation: a warm, dry day scores highest.