Weather in Cottage Grove, MN
Cottage Grove, Sunday, 9 August, 02:20
Overcast. Feels like 65°. High 81°, low 63°.
Monthly outlook for Cottage Grove, MN: average high 85.7°, average low 62.6°. That is 4.3° above the climate normal for August. Precipitation is expected on 7 days (about 1.3 inches), against a normal of 5 days and 2.1 inches. The warmest day looks like 19 August (100.5°), the coolest 14 August (56.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 83.9° | 78.2° | +3.1° |
| 19 August – 28 August | 88.8° | 77.5° | +6.3° |
| 29 August – 7 September | at normal | 75.8° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Landfall (10 mi).
0Cottage Grove, Monday, 10 August
Overcast. High 90°, low 65°.
0.73
Cottage Grove, Tuesday, 11 August
Heavy rain. High 93°, low 68°.
0
Cottage Grove, Wednesday, 12 August
Mostly clear. High 88°, low 61°.
0Cottage Grove, Thursday, 13 August
Overcast. High 79°, low 58°.
0Cottage Grove, Friday, 14 August
Overcast. High 82°, low 56°.
0Cottage Grove, Saturday, 15 August
Overcast. High 65°, low 57°.
0Cottage Grove, Sunday, 16 August
Overcast. High 90°, low 63°.
0Cottage Grove, Monday, 17 August
Overcast. High 81°, low 57°.
0.12Cottage Grove, Tuesday, 18 August
Light rain. High 88°, low 64°.
0.07Cottage Grove, Wednesday, 19 August
Light rain. High 100°, low 70°.
0.06Cottage Grove, Thursday, 20 August
Light rain. High 96°, low 70°.
0Cottage Grove, Friday, 21 August
Overcast. High 90°, low 61°.
0.14Cottage Grove, Saturday, 22 August
Light rain. High 89°, low 64°.
0.08Cottage Grove, Sunday, 23 August
Light rain. High 78°, low 64°.
0.02Cottage Grove, Monday, 24 August
Light rain. High 80°, low 61°.
0.14
Cottage Grove, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.2Cottage Grove, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.14Cottage Grove, Thursday, 27 August
Climate normal for this date — 60-year average.
0.09Cottage Grove, Friday, 28 August
Climate normal for this date — 60-year average.
0.1
Cottage Grove, Saturday, 29 August
Climate normal for this date — 60-year average.
0.11Cottage Grove, Sunday, 30 August
Climate normal for this date — 60-year average.
0.11Cottage Grove, Monday, 31 August
Climate normal for this date — 60-year average.
0.1Cottage Grove, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.09Cottage Grove, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.13Cottage Grove, Thursday, 3 September
Climate normal for this date — 60-year average.
0.15Cottage Grove, Friday, 4 September
Climate normal for this date — 60-year average.
0.1Cottage Grove, Saturday, 5 September
Climate normal for this date — 60-year average.
0.11Cottage Grove, Sunday, 6 September
Climate normal for this date — 60-year average.
0.08Cottage Grove, 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 Cottage Grove, MN 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 Cottage Grove, MN 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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