Weather in Grand Harbor, ND
Grand Harbor, Sunday, 9 August, 07:21
Overcast. Feels like 57°. High 81°, low 57°.
Monthly outlook for Grand Harbor, ND: average high 80°, average low 58.2°. That is 2.2° above the climate normal for August. Precipitation is expected on 5 days (about 1.0 inches), against a normal of 4 days and 1.5 inches. The warmest day looks like 18 August (97.4°), the coolest 13 August (52°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 82.7° | 76.2° | +3.6° |
| 19 August – 28 August | 75.6° | 75.5° | +0° |
| 29 August – 7 September | at normal | 72.8° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Churchs Ferry (12 mi).
0Grand Harbor, Monday, 10 August
Overcast. High 86°, low 57°.
0
Grand Harbor, Tuesday, 11 August
Partly cloudy. High 84°, low 57°.
0.05
Grand Harbor, Wednesday, 12 August
Rain. High 80°, low 58°.
0Grand Harbor, Thursday, 13 August
Overcast. High 78°, low 52°.
0Grand Harbor, Friday, 14 August
Overcast. High 85°, low 57°.
0.15Grand Harbor, Saturday, 15 August
Light rain. High 79°, low 62°.
0
Grand Harbor, Sunday, 16 August
Clear. High 82°, low 54°.
0.19Grand Harbor, Monday, 17 August
Light rain. High 74°, low 63°.
0.03Grand Harbor, Tuesday, 18 August
Light rain. High 97°, low 62°.
0Grand Harbor, Wednesday, 19 August
Overcast. High 97°, low 67°.
0Grand Harbor, Thursday, 20 August
Overcast. High 74°, low 59°.
0Grand Harbor, Friday, 21 August
Overcast. High 84°, low 61°.
0.26Grand Harbor, Saturday, 22 August
Rain. High 64°, low 55°.
0.29Grand Harbor, Sunday, 23 August
Rain. High 63°, low 53°.
0.01Grand Harbor, Monday, 24 August
Light rain. High 70°, low 59°.
0.09Grand Harbor, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.06Grand Harbor, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.05
Grand Harbor, Thursday, 27 August
Climate normal for this date — 60-year average.
0.12Grand Harbor, Friday, 28 August
Climate normal for this date — 60-year average.
0.09Grand Harbor, Saturday, 29 August
Climate normal for this date — 60-year average.
0.04Grand Harbor, Sunday, 30 August
Climate normal for this date — 60-year average.
0.07Grand Harbor, Monday, 31 August
Climate normal for this date — 60-year average.
0.09Grand Harbor, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.07Grand Harbor, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.06
Grand Harbor, Thursday, 3 September
Climate normal for this date — 60-year average.
0.11Grand Harbor, Friday, 4 September
Climate normal for this date — 60-year average.
0.11Grand Harbor, Saturday, 5 September
Climate normal for this date — 60-year average.
0.09Grand Harbor, Sunday, 6 September
Climate normal for this date — 60-year average.
0.08Grand Harbor, 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 Grand Harbor, ND 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 Grand Harbor, ND 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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