10-day forecast for St. Mary's, AK: 45° to 71°, with precipitation expected on 5 days. The table below breaks each day into morning, afternoon, evening and overnight.
68°
Best day: Monday, August 10
57° · 0.17 in
Worst day: Sunday, August 16
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1068° / 51°0
Morning53°feels 52°
Afternoon67°feels 66°
Evening66°feels 65°
Overnight53°feels 52°
68 °
St. Mary's, Monday, 10 August
Clear. High 68°, low 51°.
Pressure30.21 inHg
Wind8.3 mph N
Humidity72%
Visibility6.2 mi
Dew point55°
Tue, 1165° / 49°0
Morning50°feels 49°
Afternoon64°feels 63°
Evening62°feels 62°
Overnight52°feels 51°
65 °
St. Mary's, Tuesday, 11 August
Clear. High 65°, low 49°.
Pressure30.12 inHg
Wind12 mph N
Humidity72%
Visibility6.2 mi
Dew point52°
Wed, 1267° / 49°0.14
Morning51°feels 49°
Afternoon64°feels 64°
Evening64°feels 64°
Overnight50°feels 49°
67 °
St. Mary's, Wednesday, 12 August
Rain. High 67°, low 49°.
Pressure30.09 inHg
Wind5.1 mph NE
Humidity72%
Visibility6.2 mi
Dew point54°
Thu, 1368° / 52°0.02
Morning56°feels 55°
Afternoon67°feels 66°
Evening67°feels 66°
Overnight55°feels 55°
68 °
St. Mary's, Thursday, 13 August
Light rain. High 68°, low 52°.
Pressure29.94 inHg
Wind15.3 mph E
Humidity65%
Visibility—
Dew point52°
Fri, 1471° / 56°0.09
Morning60°feels 60°
Afternoon67°feels 66°
Evening70°feels 69°
Overnight63°feels 63°
71 °
St. Mary's, Friday, 14 August
Light rain. High 71°, low 56°.
Pressure29.94 inHg
Wind8.8 mph E
Humidity72%
Visibility—
Dew point56°
Sat, 1569° / 59°0.14
Morning61°feels 61°
Afternoon64°feels 64°
Evening68°feels 67°
Overnight62°feels 61°
69 °
St. Mary's, Saturday, 15 August
Light rain. High 69°, low 59°.
Pressure29.85 inHg
Wind9.4 mph E
Humidity88%
Visibility—
Dew point59°
Sun, 1657° / 54°0.17
Morning56°feels 55°
Afternoon56°feels 55°
Evening56°feels 56°
Overnight55°feels 54°
57 °
St. Mary's, Sunday, 16 August
Light rain. High 57°, low 54°.
Pressure29.65 inHg
Wind11.7 mph NE
Humidity84%
Visibility—
Dew point51°
Mon, 1757° / 48°0.01
Morning54°feels 53°
Afternoon54°feels 53°
Evening52°feels 50°
Overnight49°feels 44°
57 °
St. Mary's, Monday, 17 August
Light rain. High 57°, low 48°.
Pressure29.59 inHg
Wind15.2 mph N
Humidity93%
Visibility—
Dew point52°
Tue, 1850° / 45°0.06
Morning46°feels 40°
Afternoon49°feels 45°
Evening50°feels 47°
Overnight47°feels 44°
50 °
St. Mary's, Tuesday, 18 August
Light rain. High 50°, low 45°.
Pressure29.77 inHg
Wind14.1 mph NW
Humidity78%
Visibility—
Dew point42°
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 St. Mary's, AK 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.