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Mirrormont, WA Weather
Mirrormont, Washington sits at 47.4602, -121.9902. Its warmest month is July, when the day usually reaches 76F, and its coldest is December, when the night usually falls to 32F. November is the wettest, with rain on about 21 days. The hottest day in the station record is 112F on June 28, 2021, and the coldest night 0F on December 18, 1924. This page carries live conditions, an hour by hour timeline, a ten day outlook, radar, monthly averages and searchable daily history back to 1940.
About Mirrormont weather
Mirrormont sits at 47.4602, -121.9902 and covers about 10.4 square miles. The forecast above is live: current conditions lead with the HRRR model, corrected against the nearest reporting station and against radar overhead, because a model can lag a storm and the radar cannot.
The tabs at the top of this page carry the hour by hour timeline, the ten day outlook and live radar. Where the models disagree about a day, the rock says so on the day rather than quietly picking a winner.
The rock grades itself against what actually happened and publishes the result whether it flatters it or not. Those standings live in the Receipts.
Where these numbers come from
Current conditions and forecast: NOAA forecast grids (the National Weather Service digital forecast, the National Blend of Models, HRRR and GFS) decoded on our own server, corrected against the nearest reporting station and our own radar. Open-Meteo is consulted only as a fallback when our server is silent.
Radar: NOAA MRMS merged reflectivity, rendered into tiles by myweatherrock.
Monthly averages and records: computed by myweatherrock from NOAA GHCN-Daily station records at the nearest qualifying station, named on this page with its distance. Measurements, not estimates.
Daily history search: the town's own NOAA GHCN-Daily station file, held on our server, measurements by day. Months the station missed fall back to the Open-Meteo historical archive (reanalysis), and the page says so when it does.
What the weather is usually like in Mirrormont
Mirrormont is warmest in July, when the day usually reaches 76F, and coldest in December, when the night usually falls to 32F. November is the wettest month, with rain on about 21 days of it.
Usual high and low, by month
Days with rain, by month
The same year as numbers
Month
Usual high
Usual low
Rain days
Snow days
January
45F
33F
20
1
February
48F
33F
17
1
March
52F
35F
20
0
April
58F
39F
19
0
May
65F
44F
15
0
June
69F
48F
12
0
July
76F
52F
7
0
August
76F
52F
6
0
September
70F
47F
10
0
October
59F
41F
17
0
November
49F
36F
21
1
December
44F
32F
21
1
Thirty-year normals, 1991 to 2020, computed from the daily record, measured at the Landsburg station 5.9 miles away. A rain day means at least a hundredth of an inch fell, the same measurable-precipitation mark the Weather Service uses. Source: computed from the station record, NOAA GHCN daily.
Mirrormont weather history, back to 1940
Pick any month back to 1940 and see what the archive holds for Mirrormont: the reanalysis record of what happened, day by day.
Reading this month last year to start you off.
Mirrormont weather records
In 150,310 days of observations Mirrormont has been as hot as 112F and as cold as 0F. Not averages: the actual days.
Hottest day
112F
June 28, 2021
Wettest day
5.50 in
October 20, 2003
Biggest snow
14.0 in
February 1, 1916
NOAA GHCN daily station records, observed 1903 to 2025: temperature at the Landsburg station, 5.9 miles away. Station measurements, not estimates. Record dates reflect the station's own observation schedule, and the official state record may live at a different station.
Common questions about Mirrormont weather
Common questions
What is the weather usually like in Mirrormont, WA?
Mirrormont is warmest in July, when the day usually reaches 76F, and coldest in December, when the night usually falls to 32F. Rain falls on roughly 185 days a year, most often in November. Averages are thirty-year normals, 1991 to 2020, computed from the nearest NOAA station's own daily record.
How much does it rain in Mirrormont, WA?
About 185 days a year see at least a hundredth of an inch, which is the Weather Service's measurable-precipitation mark. November is the wettest month with rain on about 21 of its days, and August the driest with about 6.
Does it snow in Mirrormont, WA?
Yes. Snow falls on about 4 days a year, most often in January, which averages about 1 snowy days. Those are days with measurable snowfall, not days with snow lying on the ground.
What is the hottest it has ever been in Mirrormont, WA?
The hottest day measured for Mirrormont reached 112F on June 28, 2021, and the coldest night 0F on December 18, 1924. Both are real NOAA station measurements from the GHCN daily archive, observed 1903 to 2025, at the Landsburg station. Not estimates, though the official state record may live at a different station.
Can I look up past weather for Mirrormont, WA?
Yes, and for free. The History tab on this page takes any month back to 1940 and shows every day of it: the high, the low, what fell, and that month's hottest and coldest day. No account and no payment.
Is the Mirrormont forecast on this page free, and does it track me?
It is free, carries no advertising, and needs no account. Nothing about a visitor leaves the device except the coordinates needed to fetch a forecast, and those are not stored against anyone.