Weather in Allegheny, PA
Allegheny, Tuesday, 20 October, 11:07
Mostly clear. Feels like 58°. High 63°, low 35°.
Monthly outlook for Allegheny, PA: average high 54°, average low 33.8°. That is 0.4° below the climate normal for October. Precipitation is expected on 2 days (about 0.4 inches), against a normal of 7 days and 2.0 inches. The warmest day looks like 20 October (63.2°), the coolest 31 October (26°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 20 October – 29 October | 56.9° | 55.3° | +0.8° |
| 30 October – 8 November | 49.3° | 52.3° | -1.7° |
| 9 November – 18 November | at normal | 47° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Tidioute (11 mi).
0
Allegheny, Wednesday, 21 October
Clear. High 62°, low 30°.
0
Allegheny, Thursday, 22 October
Overcast. High 59°, low 33°.
0
Allegheny, Friday, 23 October
Partly cloudy. High 53°, low 35°.
0Allegheny, Saturday, 24 October
Clear. High 59°, low 32°.
0Allegheny, Sunday, 25 October
Overcast. High 63°, low 37°.
0Allegheny, Monday, 26 October
Overcast. High 63°, low 44°.
0.13
Allegheny, Tuesday, 27 October
Snow. High 56°, low 36°.
0.02Allegheny, Wednesday, 28 October
Light snow. High 42°, low 29°.
0Allegheny, Thursday, 29 October
Mostly clear. High 48°, low 28°.
0.15Allegheny, Friday, 30 October
Light snow. High 40°, low 30°.
0Allegheny, Saturday, 31 October
Mostly clear. High 45°, low 26°.
0.02
Allegheny, Sunday, 1 November
Light rain. High 48°, low 32°.
0.04Allegheny, Monday, 2 November
Light rain. High 51°, low 38°.
0Allegheny, Tuesday, 3 November
Mostly clear. High 56°, low 36°.
0.02Allegheny, Wednesday, 4 November
Light rain. High 55°, low 41°.
0.12
Allegheny, Thursday, 5 November
Climate normal for this date — 60-year average.
0.1Allegheny, Friday, 6 November
Climate normal for this date — 60-year average.
0.11Allegheny, Saturday, 7 November
Climate normal for this date — 60-year average.
0.09Allegheny, Sunday, 8 November
Climate normal for this date — 60-year average.
0.1Allegheny, Monday, 9 November
Climate normal for this date — 60-year average.
0.17Allegheny, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.16Allegheny, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.12Allegheny, Thursday, 12 November
Climate normal for this date — 60-year average.
0.09Allegheny, Friday, 13 November
Climate normal for this date — 60-year average.
0.13Allegheny, Saturday, 14 November
Climate normal for this date — 60-year average.
0.17Allegheny, Sunday, 15 November
Climate normal for this date — 60-year average.
0.17Allegheny, Monday, 16 November
Climate normal for this date — 60-year average.
0.15Allegheny, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.08Allegheny, 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 Allegheny, PA 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 Allegheny, PA 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
52°Weather in Annapolis, MD60°Weather in Atlanta, GA59°Weather in Augusta, ME54°Weather in Austin, TX64°Weather in Baton Rouge, LA64°Weather in Bismarck, ND43°Weather in Boise, ID48°Weather in Boston, MA54°Weather in Carson City, NV47°Weather in Charleston, WV40°Weather in Charlotte Amalie, VI87°Weather in Cheyenne, WY49°Weather in Columbia, SC55°Weather in Columbus, OH53°Weather in Concord, NH54°Weather in Denver, CO50°Weather in Des Moines, IA50°Weather in Dover, DE61°Weather in Frankfort, KY57°Weather in Harrisburg, PA59°Weather in Hartford, CT57°Weather in Helena, MT37°Weather in Honolulu, HI75°Weather in Indianapolis, IN54°Weather in Jackson, MS57°Weather in Jefferson City, MO51°Weather in Juneau, AK36°Weather in Lansing, MI51°Weather in Lincoln, NE52°Weather in Little Rock, AR55°Weather in Madison, WI46°Weather in Montgomery, AL54°Weather in Montpelier, VT50°Weather in Nashville, TN55°Weather in Oklahoma City, OK57°Weather in Olympia, WA
41°Weather in Phoenix, AZ71°Weather in Pierre, SD46°Weather in Providence, RI53°Weather in Raleigh, NC58°Weather in Richmond, VA60°Weather in Sacramento, CA51°Weather in Salem, OR
46°Weather in Salt Lake City, UT58°Weather in San Juan, PR87°Weather in Santa Fe, NM49°Weather in Springfield, IL52°Weather in St. Paul, MN49°Weather in Tallahassee, FL60°Weather in Topeka, KS49°Weather in Trenton, NJ59°Weather in Washington, DC60°56°Weather in Lock Haven, PA55°Weather in Loganton, PA59°Weather in Mill Hall, PA56°Weather in Renovo, PA53°Weather in Foxburg, PA53°Weather in Hawthorn, PA55°Weather in Knox, PA54°Weather in New Bethlehem, PA56°Weather in Rimersburg, PA55°Weather in St. Petersburg, PA56°Weather in Shippenville, PA56°Weather in Sligo, PA56°Weather in Strattanville, PA55°Weather in Bear Creek Village, PA55°Weather in Big Run, PA57°Weather in Brockway, PA59°Weather in Brookville, PA59°Weather in Corsica, PA52°Weather in Punxsutawney, PA54°