Weather in Umtanum, WA
Umtanum, Tuesday, 20 October, 01:05
Overcast. Feels like 44°. High 66°, low 37°.
Monthly outlook for Umtanum, WA: average high 59.7°, average low 42.7°. That is 2.7° above the climate normal for October. Precipitation is expected on 2 days (about 0.2 inches), against a normal of 4 days and 1.0 inches. The warmest day looks like 21 October (66.5°), the coolest 20 October (36.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 20 October – 29 October | 61.5° | 56.8° | +2.6° |
| 30 October – 8 November | 56.8° | 50.8° | +3.4° |
| 9 November – 18 November | at normal | 46.9° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Hillside Siding (9 mi).
0
Umtanum, Wednesday, 21 October
Clear. High 66°, low 43°.
0Umtanum, Thursday, 22 October
Overcast. High 63°, low 46°.
0
Umtanum, Friday, 23 October
Mostly clear. High 57°, low 41°.
0Umtanum, Saturday, 24 October
Mostly clear. High 57°, low 37°.
0Umtanum, Sunday, 25 October
Overcast. High 60°, low 41°.
0
Umtanum, Monday, 26 October
Partly cloudy. High 61°, low 39°.
0Umtanum, Tuesday, 27 October
Partly cloudy. High 61°, low 42°.
0Umtanum, Wednesday, 28 October
Overcast. High 60°, low 42°.
0Umtanum, Thursday, 29 October
Overcast. High 63°, low 43°.
0Umtanum, Friday, 30 October
Overcast. High 59°, low 40°.
0Umtanum, Saturday, 31 October
Overcast. High 62°, low 43°.
0Umtanum, Sunday, 1 November
Overcast. High 62°, low 42°.
0.01
Umtanum, Monday, 2 November
Light rain. High 60°, low 50°.
0.11Umtanum, Tuesday, 3 November
Light rain. High 49°, low 49°.
0.05Umtanum, Wednesday, 4 November
Light rain. High 49°, low 48°.
0.07
Umtanum, Thursday, 5 November
Climate normal for this date — 60-year average.
0.07Umtanum, Friday, 6 November
Climate normal for this date — 60-year average.
0.07Umtanum, Saturday, 7 November
Climate normal for this date — 60-year average.
0.05Umtanum, Sunday, 8 November
Climate normal for this date — 60-year average.
0.06Umtanum, Monday, 9 November
Climate normal for this date — 60-year average.
0.06Umtanum, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.06Umtanum, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.08Umtanum, Thursday, 12 November
Climate normal for this date — 60-year average.
0.09Umtanum, Friday, 13 November
Climate normal for this date — 60-year average.
0.06Umtanum, Saturday, 14 November
Climate normal for this date — 60-year average.
0.06Umtanum, Sunday, 15 November
Climate normal for this date — 60-year average.
0.06Umtanum, Monday, 16 November
Climate normal for this date — 60-year average.
0.08Umtanum, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.05Umtanum, Wednesday, 18 November
Climate normal for this date — 60-year average.
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 Umtanum, 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 Umtanum, 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.
Sun and moon today
Weather history
44°Weather in Annapolis, MD53°Weather in Atlanta, GA50°Weather in Augusta, ME
41°Weather in Austin, TX61°Weather in Baton Rouge, LA59°Weather in Bismarck, ND45°Weather in Boise, ID54°Weather in Boston, MA42°Weather in Carson City, NV56°Weather in Charleston, WV41°Weather in Charlotte Amalie, VI81°Weather in Cheyenne, WY48°Weather in Columbia, SC45°Weather in Columbus, OH44°Weather in Concord, NH41°Weather in Denver, CO51°Weather in Des Moines, IA47°Weather in Dover, DE47°Weather in Frankfort, KY52°Weather in Harrisburg, PA46°Weather in Hartford, CT42°Weather in Helena, MT44°Weather in Honolulu, HI73°Weather in Indianapolis, IN47°Weather in Jackson, MS53°Weather in Jefferson City, MO47°Weather in Juneau, AK37°Weather in Lansing, MI41°Weather in Lincoln, NE52°Weather in Little Rock, AR52°Weather in Madison, WI43°Weather in Montgomery, AL48°Weather in Montpelier, VT50°Weather in Nashville, TN49°Weather in Oklahoma City, OK56°Weather in Olympia, WA45°Weather in Phoenix, AZ76°Weather in Pierre, SD45°Weather in Providence, RI44°Weather in Raleigh, NC45°Weather in Richmond, VA46°Weather in Sacramento, CA56°Weather in Salem, OR51°Weather in Salt Lake City, UT60°Weather in San Juan, PR77°Weather in Santa Fe, NM51°Weather in Springfield, IL45°Weather in St. Paul, MN49°Weather in Tallahassee, FL51°Weather in Topeka, KS50°Weather in Trenton, NJ46°Weather in Washington, DC51°45°Weather in Maple Heights-Lake Desire, WA47°Weather in Marietta-Alderwood, WA43°Weather in McChord AFB, WA49°Weather in Fort Lewis, WA49°Weather in Canyon Creek, WA44°Weather in Lake Marcel-Stillwater, WA45°Weather in Lake Morton-Berrydale, WA48°Weather in Lakeland North, WA49°Weather in Lakeland South, WA48°Weather in Moses Lake North, WA48°Weather in Nisqually Indian Community, WA45°Weather in Port Angeles East, WA45°Weather in Port Hadlock-Irondale, WA48°Weather in Union Hill-Novelty Hill, WA44°Weather in Walla Walla East, WA47°Weather in West Clarkston-Highland, WA52°Weather in Krupp, WA44°Weather in Bay City, WA48°Weather in Bells Beach, WA49°