Weather in Tonka Bay, MN
Tonka Bay, Sunday, 9 August, 05:06
Mostly clear. Feels like 66°. High 82°, low 66°.
Monthly outlook for Tonka Bay, MN: average high 86.1°, average low 63.4°. That is 4.1° above the climate normal for August. Precipitation is expected on 6 days (about 1.0 inches), against a normal of 5 days and 2.2 inches. The warmest day looks like 19 August (101.3°), the coolest 14 August (56.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 84.6° | 79° | +3.1° |
| 19 August – 28 August | 88.6° | 78.5° | +5.6° |
| 29 August – 7 September | at normal | 76.7° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Eden Prairie (8 mi).
0
Tonka Bay, Monday, 10 August
Overcast. High 90°, low 61°.
0.3
Tonka Bay, Tuesday, 11 August
Heavy rain. High 94°, low 65°.
0
Tonka Bay, Wednesday, 12 August
Mostly clear. High 87°, low 63°.
0Tonka Bay, Thursday, 13 August
Overcast. High 80°, low 60°.
0Tonka Bay, Friday, 14 August
Overcast. High 83°, low 56°.
0Tonka Bay, Saturday, 15 August
Overcast. High 66°, low 58°.
0
Tonka Bay, Sunday, 16 August
Partly cloudy. High 91°, low 61°.
0Tonka Bay, Monday, 17 August
Overcast. High 81°, low 61°.
0.1Tonka Bay, Tuesday, 18 August
Light rain. High 91°, low 66°.
0.01Tonka Bay, Wednesday, 19 August
Light rain. High 101°, low 72°.
0.03Tonka Bay, Thursday, 20 August
Light rain. High 96°, low 69°.
0Tonka Bay, Friday, 21 August
Overcast. High 90°, low 64°.
0.13Tonka Bay, Saturday, 22 August
Light rain. High 90°, low 65°.
0.12Tonka Bay, Sunday, 23 August
Light rain. High 77°, low 64°.
0.08Tonka Bay, Monday, 24 August
Light rain. High 78°, low 63°.
0.15Tonka Bay, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.19
Tonka Bay, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.13Tonka Bay, Thursday, 27 August
Climate normal for this date — 60-year average.
0.11Tonka Bay, Friday, 28 August
Climate normal for this date — 60-year average.
0.15Tonka Bay, Saturday, 29 August
Climate normal for this date — 60-year average.
0.11Tonka Bay, Sunday, 30 August
Climate normal for this date — 60-year average.
0.09Tonka Bay, Monday, 31 August
Climate normal for this date — 60-year average.
0.09Tonka Bay, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.09Tonka Bay, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.13Tonka Bay, Thursday, 3 September
Climate normal for this date — 60-year average.
0.13Tonka Bay, Friday, 4 September
Climate normal for this date — 60-year average.
0.08Tonka Bay, Saturday, 5 September
Climate normal for this date — 60-year average.
0.11Tonka Bay, Sunday, 6 September
Climate normal for this date — 60-year average.
0.07Tonka Bay, 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 Tonka Bay, 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 Tonka Bay, 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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