Weather in Jamestown, MO
Jamestown, Saturday, 8 August, 18:42
Clear. Feels like 99°. High 89°, low 68°.
Monthly outlook for Jamestown, MO: average high 88.9°, average low 70°. That is 1.4° above the climate normal for August. Precipitation is expected on 5 days (about 1.4 inches), against a normal of 5 days and 1.6 inches. The warmest day looks like 10 August (101.5°), the coolest 23 August (59.5°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 8 August – 17 August | 91.2° | 86.3° | +2.7° |
| 18 August – 27 August | 85.2° | 86.6° | -0.8° |
| 28 August – 6 September | at normal | 84.3° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Columbia (15 mi).
0
Jamestown, Sunday, 9 August
Overcast. High 101°, low 74°.
0
Jamestown, Monday, 10 August
Mostly clear. High 102°, low 76°.
0.01
Jamestown, Tuesday, 11 August
Light rain. High 101°, low 79°.
0.05Jamestown, Wednesday, 12 August
Light rain. High 91°, low 73°.
0.09Jamestown, Thursday, 13 August
Light rain. High 81°, low 69°.
0Jamestown, Friday, 14 August
Clear. High 82°, low 63°.
0Jamestown, Saturday, 15 August
Overcast. High 85°, low 60°.
0.4Jamestown, Sunday, 16 August
Rain. High 83°, low 67°.
0
Jamestown, Monday, 17 August
Partly cloudy. High 98°, low 75°.
0Jamestown, Tuesday, 18 August
Overcast. High 88°, low 76°.
0Jamestown, Wednesday, 19 August
Partly cloudy. High 98°, low 72°.
0.86Jamestown, Thursday, 20 August
Heavy rain. High 84°, low 71°.
0.04Jamestown, Friday, 21 August
Light rain. High 81°, low 70°.
0Jamestown, Saturday, 22 August
Clear. High 90°, low 66°.
0Jamestown, Sunday, 23 August
Overcast. High 70°, low 60°.
0.09Jamestown, Monday, 24 August
Climate normal for this date — 60-year average.
0.12Jamestown, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.15Jamestown, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.09Jamestown, Thursday, 27 August
Climate normal for this date — 60-year average.
0.09Jamestown, Friday, 28 August
Climate normal for this date — 60-year average.
0.06Jamestown, Saturday, 29 August
Climate normal for this date — 60-year average.
0.11Jamestown, Sunday, 30 August
Climate normal for this date — 60-year average.
0.11
Jamestown, Monday, 31 August
Climate normal for this date — 60-year average.
0.14Jamestown, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.11Jamestown, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.11Jamestown, Thursday, 3 September
Climate normal for this date — 60-year average.
0.11Jamestown, Friday, 4 September
Climate normal for this date — 60-year average.
0.06Jamestown, Saturday, 5 September
Climate normal for this date — 60-year average.
0.06Jamestown, Sunday, 6 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 Jamestown, 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 Jamestown, 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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