As of 14:57 PDT

Weather in Winchester, WA

57°Current weather

Winchester, Sunday, 11 October, 14:57

Overcast. Feels like 54°. High 57°, low 41°.

Pressure29.85 inHg
Wind13.8 mph NE
Humidity26%
Visibility6.2 mi
Dew point24°

Monthly outlook for Winchester, WA: average high 60.7°, average low 43.4°. That is 0.5° above the climate normal for October. Precipitation is expected on 1 day (about 0.1 inches), against a normal of 3 days and 0.4 inches. The warmest day looks like 17 October (74.3°), the coolest 13 October (39.2°).

60.7°/43.4°
Average high / low
+0.5°
Above normal
1 / 3
Wet days / normal
0.1 in
Precipitation this month

Ten-day blocks vs climate normal

PeriodForecast highNormalDifference
11 October – 20 October63°61.4°+0.9°
21 October – 30 October56.8°55.3°+0.8°
31 October – 9 Novemberat normal49.7°—

October records over 66 years

85.1°6 October 2014All-time high
18.1°31 October 1984All-time low

Climate normals and records are computed from the nearest reference point — Ephrata (10 mi).

Mon, 1258° / 40°0Clear
58 °Clear

Winchester, Monday, 12 October

Clear. High 58°, low 40°.

Pressure30.03 inHg
Wind4.6 mph SW
Humidity42%
Visibility6.2 mi
Dew point25°
Tue, 1359° / 39°0Mostly clear
59 °Mostly clear

Winchester, Tuesday, 13 October

Mostly clear. High 59°, low 39°.

Pressure30.18 inHg
Wind2.9 mph SE
Humidity43%
Visibility6.2 mi
Dew point31°
Wed, 1465° / 45°0Mostly clear
65 °Mostly clear

Winchester, Wednesday, 14 October

Mostly clear. High 65°, low 45°.

Pressure30.24 inHg
Wind0.4 mph S
Humidity38%
Visibility6.2 mi
Dew point35°
Thu, 1567° / 45°0Clear
67 °Clear

Winchester, Thursday, 15 October

Clear. High 67°, low 45°.

Pressure30.45 inHg
Wind4.9 mph NE
Humidity37%
Visibility6.2 mi
Dew point35°
Fri, 1669° / 45°0Clear
69 °Clear

Winchester, Friday, 16 October

Clear. High 69°, low 45°.

Pressure30.27 inHg
Wind5.5 mph S
Humidity42%
Visibility—
Dew point36°
Sat, 1774° / 50°0Overcast
74 °Overcast

Winchester, Saturday, 17 October

Overcast. High 74°, low 50°.

Pressure30.00 inHg
Wind22.5 mph W
Humidity40%
Visibility—
Dew point37°
Sun, 1863° / 44°0Overcast
63 °Overcast

Winchester, Sunday, 18 October

Overcast. High 63°, low 44°.

Pressure30.09 inHg
Wind5.4 mph W
Humidity36%
Visibility—
Dew point29°
Mon, 1960° / 48°0Overcast
60 °Overcast

Winchester, Monday, 19 October

Overcast. High 60°, low 48°.

Pressure29.85 inHg
Wind8.6 mph S
Humidity36%
Visibility—
Dew point29°
Tue, 2059° / 43°0Overcast
59 °Overcast

Winchester, Tuesday, 20 October

Overcast. High 59°, low 43°.

Pressure29.91 inHg
Wind15.7 mph SW
Humidity50%
Visibility—
Dew point34°
Wed, 2149° / 41°0.06Light rain
49 °Light rain

Winchester, Wednesday, 21 October

Light rain. High 49°, low 41°.

Pressure29.85 inHg
Wind4.7 mph N
Humidity86%
Visibility—
Dew point40°
Thu, 2257° / 43°0Overcast
57 °Overcast

Winchester, Thursday, 22 October

Overcast. High 57°, low 43°.

Pressure30.24 inHg
Wind4.8 mph NW
Humidity60%
Visibility—
Dew point37°
Fri, 2358° / 42°0Clear
58 °Clear

Winchester, Friday, 23 October

Clear. High 58°, low 42°.

Pressure30.59 inHg
Wind6.6 mph NW
Humidity47%
Visibility—
Dew point32°
Sat, 2459° / 42°0Clear
59 °Clear

Winchester, Saturday, 24 October

Clear. High 59°, low 42°.

Pressure30.53 inHg
Wind3.9 mph SE
Humidity47%
Visibility—
Dew point32°
Sun, 2559° / 42°0Overcast
59 °Overcast

Winchester, Sunday, 25 October

Overcast. High 59°, low 42°.

Pressure30.39 inHg
Wind2.5 mph N
Humidity42%
Visibility—
Dew point30°
Mon, 2659° / 45°0Overcast
59 °Overcast

Winchester, Monday, 26 October

Overcast. High 59°, low 45°.

Pressure30.24 inHg
Wind3.8 mph N
Humidity40%
Visibility—
Dew point30°
From day 17 onward the outlook is built from 60-year climate statistics
Tue, 2754° / 38°0.05Climate normal
54 °Climate normal

Winchester, Tuesday, 27 October

Climate normal for this date — 60-year average.

Average high54°
Average low38°
Average precipitation0.05 in
Chance of precipitation18%
Record high68° (2003)
Record low25° (2020)
Wed, 2853° / 37°0.04Climate normal
53 °Climate normal

Winchester, Wednesday, 28 October

Climate normal for this date — 60-year average.

Average high53°
Average low37°
Average precipitation0.04 in
Chance of precipitation28%
Record high66° (2003)
Record low24° (1991)
Thu, 2952° / 37°0.04Climate normal
52 °Climate normal

Winchester, Thursday, 29 October

Climate normal for this date — 60-year average.

Average high52°
Average low37°
Average precipitation0.04 in
Chance of precipitation27%
Record high65° (1965)
Record low22° (2019)
Fri, 3052° / 37°0.04Climate normal
52 °Climate normal

Winchester, Friday, 30 October

Climate normal for this date — 60-year average.

Average high52°
Average low37°
Average precipitation0.04 in
Chance of precipitation17%
Record high67° (2015)
Record low20° (2019)
Sat, 3152° / 37°0.06Climate normal
52 °Climate normal

Winchester, Saturday, 31 October

Climate normal for this date — 60-year average.

Average high52°
Average low37°
Average precipitation0.06 in
Chance of precipitation30%
Record high64° (1967)
Record low18° (1984)
Sun, 0151° / 36°0.05Climate normal
51 °Climate normal

Winchester, Sunday, 1 November

Climate normal for this date — 60-year average.

Average high51°
Average low36°
Average precipitation0.05 in
Chance of precipitation28%
Record high63° (1988)
Record low22° (2002)
Mon, 0251° / 36°0.03Climate normal
51 °Climate normal

Winchester, Monday, 2 November

Climate normal for this date — 60-year average.

Average high51°
Average low36°
Average precipitation0.03 in
Chance of precipitation18%
Record high62° (1987)
Record low22° (1991)
Tue, 0351° / 36°0.02Climate normal
51 °Climate normal

Winchester, Tuesday, 3 November

Climate normal for this date — 60-year average.

Average high51°
Average low36°
Average precipitation0.02 in
Chance of precipitation18%
Record high65° (1975)
Record low23° (1994)
Wed, 0451° / 37°0.06Climate normal
51 °Climate normal

Winchester, Wednesday, 4 November

Climate normal for this date — 60-year average.

Average high51°
Average low37°
Average precipitation0.06 in
Chance of precipitation35%
Record high64° (2020)
Record low24° (1961)
Thu, 0549° / 36°0.04Climate normal
49 °Climate normal

Winchester, Thursday, 5 November

Climate normal for this date — 60-year average.

Average high49°
Average low36°
Average precipitation0.04 in
Chance of precipitation30%
Record high60° (2012)
Record low16° (1973)
Fri, 0649° / 35°0.05Climate normal
49 °Climate normal

Winchester, Friday, 6 November

Climate normal for this date — 60-year average.

Average high49°
Average low35°
Average precipitation0.05 in
Chance of precipitation28%
Record high63° (2006)
Record low19° (2003)
Sat, 0748° / 35°0.06Climate normal
48 °Climate normal

Winchester, Saturday, 7 November

Climate normal for this date — 60-year average.

Average high48°
Average low35°
Average precipitation0.06 in
Chance of precipitation30%
Record high61° (2006)
Record low22° (2003)
Sun, 0848° / 34°0.04Climate normal
48 °Climate normal

Winchester, Sunday, 8 November

Climate normal for this date — 60-year average.

Average high48°
Average low34°
Average precipitation0.04 in
Chance of precipitation20%
Record high60° (1995)
Record low23° (1973)
Mon, 0947° / 34°0.05Climate normal
47 °Climate normal

Winchester, Monday, 9 November

Climate normal for this date — 60-year average.

Average high47°
Average low34°
Average precipitation0.05 in
Chance of precipitation25%
Record high63° (1989)
Record low24° (1986)

About the monthly outlook

How accurate is a 30-day forecast?

The first 16 days come from weather models — reliable for the first 3–5 days and progressively less so after that. Days 17 through 30 for Winchester, WA are built from the climate normal, the 60-year average, so they show typical weather for those dates rather than a specific forecast.

What does "above normal" mean?

We compare the forecast against the climate normal for those exact calendar days, computed from 60 years of observations. The deviation shows how much the coming month differs from a typical one.

Where do the 66-year records come from?

They are real temperature extremes recorded in Winchester, WA since 1960: the highest and lowest reading for each calendar date, with the year it happened.

How often is it updated?

The forecast portion refreshes every hour; the climate portion is based on long-term data and stays stable.