Weather in Herndon, MO
Herndon, Wednesday, 21 October, 07:25
Mostly clear. Feels like 49°. High 74°, low 50°.
Monthly outlook for Herndon, MO: average high 66.2°, average low 50.9°. That is 2.9° above the climate normal for October. Precipitation is expected on 6 days (about 2.8 inches), against a normal of 5 days and 1.9 inches. The warmest day looks like 25 October (77.5°), the coolest 30 October (43.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 21 October – 30 October | 69.2° | 62.5° | +3.7° |
| 31 October – 9 November | 61.1° | 57.8° | +1.8° |
| 10 November – 19 November | at normal | 53.5° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Marshall (8 mi).
0
Herndon, Thursday, 22 October
Clear. High 76°, low 49°.
0
Herndon, Friday, 23 October
Overcast. High 77°, low 53°.
0Herndon, Saturday, 24 October
Overcast. High 77°, low 57°.
0Herndon, Sunday, 25 October
Overcast. High 77°, low 56°.
0Herndon, Monday, 26 October
Overcast. High 73°, low 57°.
0.25
Herndon, Tuesday, 27 October
Rain. High 56°, low 51°.
0.05Herndon, Wednesday, 28 October
Light rain. High 68°, low 50°.
0Herndon, Thursday, 29 October
Overcast. High 57°, low 44°.
0Herndon, Friday, 30 October
Overcast. High 58°, low 43°.
0.9Herndon, Saturday, 31 October
Rain. High 49°, low 43°.
0.66Herndon, Sunday, 1 November
Rain. High 56°, low 46°.
0Herndon, Monday, 2 November
Overcast. High 64°, low 52°.
0.34Herndon, Tuesday, 3 November
Rain. High 64°, low 50°.
0.56Herndon, Wednesday, 4 November
Rain. High 69°, low 62°.
0Herndon, Thursday, 5 November
Light rain. High 65°, low 51°.
0.09
Herndon, Friday, 6 November
Climate normal for this date — 60-year average.
0.03
Herndon, Saturday, 7 November
Climate normal for this date — 60-year average.
0.06Herndon, Sunday, 8 November
Climate normal for this date — 60-year average.
0.08Herndon, Monday, 9 November
Climate normal for this date — 60-year average.
0.09Herndon, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.08Herndon, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.08Herndon, Thursday, 12 November
Climate normal for this date — 60-year average.
0.05Herndon, Friday, 13 November
Climate normal for this date — 60-year average.
0.07Herndon, Saturday, 14 November
Climate normal for this date — 60-year average.
0.09Herndon, Sunday, 15 November
Climate normal for this date — 60-year average.
0.07Herndon, Monday, 16 November
Climate normal for this date — 60-year average.
0.11Herndon, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.07Herndon, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.07Herndon, Thursday, 19 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 Herndon, MO 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 Herndon, MO 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
36°Weather in Annapolis, MD52°Weather in Atlanta, GA51°Weather in Augusta, ME37°Weather in Austin, TX57°Weather in Baton Rouge, LA51°Weather in Bismarck, ND40°Weather in Boise, ID
55°Weather in Boston, MA46°Weather in Carson City, NV46°Weather in Charleston, WV42°Weather in Charlotte Amalie, VI84°Weather in Cheyenne, WY46°Weather in Columbia, SC46°Weather in Columbus, OH43°Weather in Concord, NH39°Weather in Denver, CO49°Weather in Des Moines, IA52°Weather in Dover, DE49°Weather in Frankfort, KY48°Weather in Harrisburg, PA43°Weather in Hartford, CT45°Weather in Helena, MT37°Weather in Honolulu, HI75°Weather in Indianapolis, IN44°Weather in Jackson, MS49°Weather in Jefferson City, MO44°Weather in Juneau, AK37°Weather in Lansing, MI41°Weather in Lincoln, NE59°Weather in Little Rock, AR52°Weather in Madison, WI43°Weather in Montgomery, AL48°Weather in Montpelier, VT36°Weather in Nashville, TN45°Weather in Oklahoma City, OK57°Weather in Olympia, WA40°Weather in Phoenix, AZ75°Weather in Pierre, SD45°Weather in Providence, RI47°Weather in Raleigh, NC47°Weather in Richmond, VA46°Weather in Sacramento, CA57°Weather in Salem, OR46°Weather in Salt Lake City, UT57°Weather in San Juan, PR79°Weather in Santa Fe, NM48°Weather in Springfield, IL43°Weather in St. Paul, MN49°Weather in Tallahassee, FL50°Weather in Topeka, KS55°Weather in Trenton, NJ47°Weather in Washington, DC48°49°Weather in Musicks Ferry, MO51°Weather in Orchard Farm, MO52°Weather in Shoveltown, MO50°Weather in South Shore, MO51°Weather in Taberville, MO52°Weather in Tiffin, MO52°Weather in Velda City, MO50°Weather in Vigus, MO51°Weather in Howes Mill, MO45°Weather in Southwest City, MO53°Weather in New Court Village, MO47°Weather in Village of Four Seasons, MO51°Weather in Loch Lloyd, MO53°Weather in Charmwood, MO46°Weather in South Gorin, MO47°Weather in Three Creeks, MO47°Weather in Caverna, MO54°Weather in LaBarque Creek, MO50°Weather in Old Jamestown, MO51°