10-day forecast for Foster City, CA: 56° to 87°, with precipitation expected on 0 days. The table below breaks each day into morning, afternoon, evening and overnight.
87°
Best day: Sunday, August 9
71°
Worst day: Monday, August 17
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1084° / 57°0
Morning67°feels 67°
Afternoon84°feels 85°
Evening61°feels 60°
Overnight65°feels 65°
84 °
Foster City, Monday, 10 August
Overcast. High 84°, low 57°.
Pressure29.88 inHg
Wind6.7 mph NW
Humidity52%
Visibility6.2 mi
Dew point53°
Tue, 1177° / 56°0
Morning61°feels 60°
Afternoon77°feels 76°
Evening61°feels 60°
Overnight57°feels 57°
77 °
Foster City, Tuesday, 11 August
Clear. High 77°, low 56°.
Pressure29.91 inHg
Wind6.4 mph NW
Humidity52%
Visibility6.2 mi
Dew point53°
Wed, 1275° / 56°0
Morning60°feels 60°
Afternoon75°feels 75°
Evening61°feels 61°
Overnight56°feels 56°
75 °
Foster City, Wednesday, 12 August
Clear. High 75°, low 56°.
Pressure29.85 inHg
Wind6 mph NW
Humidity56%
Visibility6.2 mi
Dew point54°
Thu, 1374° / 57°0
Morning64°feels 64°
Afternoon72°feels 72°
Evening62°feels 61°
Overnight58°feels 58°
74 °
Foster City, Thursday, 13 August
Clear. High 74°, low 57°.
Pressure29.85 inHg
Wind9.9 mph W
Humidity53%
Visibility—
Dew point54°
Fri, 1471° / 56°0
Morning64°feels 63°
Afternoon70°feels 69°
Evening61°feels 61°
Overnight58°feels 58°
71 °
Foster City, Friday, 14 August
Clear. High 71°, low 56°.
Pressure29.94 inHg
Wind11 mph NW
Humidity58%
Visibility—
Dew point54°
Sat, 1573° / 56°0
Morning64°feels 64°
Afternoon71°feels 71°
Evening62°feels 62°
Overnight61°feels 61°
73 °
Foster City, Saturday, 15 August
Partly cloudy. High 73°, low 56°.
Pressure30.00 inHg
Wind8.8 mph NW
Humidity56%
Visibility—
Dew point55°
Sun, 1672° / 58°0
Morning65°feels 65°
Afternoon70°feels 70°
Evening61°feels 61°
Overnight59°feels 58°
72 °
Foster City, Sunday, 16 August
Overcast. High 72°, low 58°.
Pressure30.06 inHg
Wind11.1 mph W
Humidity58%
Visibility—
Dew point55°
Mon, 1771° / 56°0
Morning63°feels 63°
Afternoon69°feels 69°
Evening60°feels 60°
Overnight58°feels 58°
71 °
Foster City, Monday, 17 August
Partly cloudy. High 71°, low 56°.
Pressure30.09 inHg
Wind10.6 mph W
Humidity56%
Visibility—
Dew point53°
Tue, 1873° / 57°0
Morning65°feels 64°
Afternoon71°feels 71°
Evening64°feels 64°
Overnight63°feels 63°
73 °
Foster City, Tuesday, 18 August
Clear. High 73°, low 57°.
Pressure30.00 inHg
Wind11.7 mph W
Humidity62%
Visibility—
Dew point58°
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 Foster City, CA 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.