Weather in Jefferson City, MO
Jefferson City, Sunday, 9 August, 00:21
Mostly clear. Feels like 79°. High 99°, low 74°.
Monthly outlook for Jefferson City, MO: average high 92.2°, average low 71°. That is 2.9° above the climate normal for August. Precipitation is expected on 7 days (about 1.4 inches), against a normal of 5 days and 1.6 inches. The warmest day looks like 11 August (107°), the coolest 21 August (60.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 95° | 87.1° | +4.4° |
| 19 August – 28 August | 87.6° | 87.2° | +0.2° |
| 29 August – 7 September | at normal | 84.6° | — |
August records over 66 years
0.01
Jefferson City, Monday, 10 August
Light rain. High 105°, low 76°.
0
Jefferson City, Tuesday, 11 August
Overcast. High 107°, low 81°.
0.09Jefferson City, Wednesday, 12 August
Light rain. High 93°, low 73°.
0.1Jefferson City, Thursday, 13 August
Light rain. High 94°, low 74°.
0.13Jefferson City, Friday, 14 August
Light rain. High 80°, low 72°.
0.04Jefferson City, Saturday, 15 August
Light rain. High 100°, low 69°.
0.01Jefferson City, Sunday, 16 August
Light rain. High 90°, low 71°.
0.03Jefferson City, Monday, 17 August
Light rain. High 93°, low 71°.
0.63Jefferson City, Tuesday, 18 August
Heavy rain. High 89°, low 71°.
0Jefferson City, Wednesday, 19 August
Overcast. High 95°, low 70°.
0
Jefferson City, Thursday, 20 August
Clear. High 84°, low 64°.
0.25Jefferson City, Friday, 21 August
Light rain. High 79°, low 60°.
0.01Jefferson City, Saturday, 22 August
Light rain. High 92°, low 66°.
0Jefferson City, Sunday, 23 August
Clear. High 98°, low 71°.
0.14Jefferson City, Monday, 24 August
Rain. High 78°, low 74°.
0.1
Jefferson City, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.15Jefferson City, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.11Jefferson City, Thursday, 27 August
Climate normal for this date — 60-year average.
0.07Jefferson City, Friday, 28 August
Climate normal for this date — 60-year average.
0.12Jefferson City, Saturday, 29 August
Climate normal for this date — 60-year average.
0.14Jefferson City, Sunday, 30 August
Climate normal for this date — 60-year average.
0.14Jefferson City, Monday, 31 August
Climate normal for this date — 60-year average.
0.12Jefferson City, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.13
Jefferson City, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.11Jefferson City, Thursday, 3 September
Climate normal for this date — 60-year average.
0.12Jefferson City, Friday, 4 September
Climate normal for this date — 60-year average.
0.04
Jefferson City, Saturday, 5 September
Climate normal for this date — 60-year average.
0.04Jefferson City, Sunday, 6 September
Climate normal for this date — 60-year average.
0.07Jefferson City, Monday, 7 September
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 Jefferson City, 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 Jefferson City, 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
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