As of 15:01 PDT

Bryn Mawr-Skyway, WA weather in December

78°

Bryn Mawr-Skyway, Sunday, 9 August, 15:01

Overcast. Feels like 78°. High 78°, low 56°.

Pressure30.00 inHg

Wind5 mph N

Humidity46%

Visibility6.2 mi

Dew point54°

See detailed hourly forecast

In December, Bryn Mawr-Skyway, WA averages a high of 43.2° and a low of 34.2°. About 7.6 inches of precipitation fall over the month (19 wet days). The record high is 58.1° (1980) and the record low -0° (1968). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	44.8°	35.8°	62%	55.6° (2021)	6.3° (1985)
2	44.6°	36°	68%	54.1° (2021)	21.2° (1985)
3	44.8°	35.2°	57%	56.7° (1965)	25.7° (1984)
4	44.2°	34.2°	55%	54° (2023)	9.1° (1970)
5	43.3°	34.2°	47%	57.4° (2023)	23.2° (1994)
6	43.9°	34.5°	52%	54.1° (2019)	22.5° (1972)
7	43.3°	34.5°	55%	53.1° (2025)	14.9° (1972)
8	43.5°	34.5°	55%	55.2° (2015)	11.5° (1972)
9	43.5°	34.7°	65%	54.3° (2014)	19.9° (1972)
10	44.1°	35.6°	73%	56.8° (2014)	14.5° (1972)
11	44.1°	35.2°	67%	55.6° (2025)	21.2° (1971)
12	43.7°	34.5°	65%	54.9° (2025)	19.6° (1972)
13	43.5°	34.7°	70%	56.7° (2025)	10.4° (1972)
14	43.9°	35.6°	75%	53.4° (2025)	23.2° (1967)
15	43.9°	35.4°	58%	58.1° (1980)	20.3° (1964)
16	44.2°	35.1°	57%	55° (1974)	6.8° (1964)
17	43.7°	34.3°	58%	52.9° (2025)	6.3° (1964)
18	43.5°	34.3°	57%	56.7° (2024)	13.3° (1964)
19	42.6°	34°	67%	56.1° (2024)	10.9° (2008)
20	42.3°	33.8°	68%	56.8° (2024)	5.7° (1990)
21	42.6°	33.3°	58%	56.1° (2020)	1° (1990)
22	42.3°	33.1°	58%	52.5° (2005)	7.5° (1990)
23	42.4°	32.9°	57%	53.4° (2024)	4.6° (1990)
24	42.8°	33.6°	58%	56.5° (2005)	11.7° (1983)
25	42.8°	33.8°	63%	54.9° (1980)	13.6° (1964)
26	42.8°	33.8°	57%	58.1° (1980)	20.5° (2017)
27	42.4°	33.4°	68%	57° (1980)	17.4° (2021)
28	41.9°	32.7°	53%	54.3° (2023)	8.6° (1968)
29	41.5°	32.5°	50%	57.6° (2023)	4.1° (1990)
30	42.1°	32.5°	53%	54.3° (2023)	-0° (1968)
31	41.4°	31.8°	48%	53.1° (1980)	10.6° (1978)