Weather in Nampa, ID
Nampa, Sunday, 9 August, 04:41
Mostly clear. Feels like 66°. High 96°, low 64°.
Monthly outlook for Nampa, ID: average high 92.8°, average low 63.2°. That is 2° above the climate normal for August. Precipitation is expected on 1 day (about 0.1 inches), against a normal of 1 days and 0.2 inches. The warmest day looks like 11 August (101.2°), the coolest 23 August (55.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 94.2° | 90.2° | +2.2° |
| 19 August – 28 August | 90.4° | 87.2° | +1.8° |
| 29 August – 7 September | at normal | 85° | — |
August records over 66 years
0
Nampa, Monday, 10 August
Clear. High 100°, low 58°.
0Nampa, Tuesday, 11 August
Clear. High 101°, low 62°.
0
Nampa, Wednesday, 12 August
Overcast. High 97°, low 66°.
0Nampa, Thursday, 13 August
Overcast. High 93°, low 67°.
0.01
Nampa, Friday, 14 August
Light rain. High 93°, low 71°.
0Nampa, Saturday, 15 August
Clear. High 100°, low 67°.
0.02Nampa, Sunday, 16 August
Light rain. High 85°, low 74°.
0.01Nampa, Monday, 17 August
Light rain. High 90°, low 62°.
0Nampa, Tuesday, 18 August
Overcast. High 88°, low 59°.
0Nampa, Wednesday, 19 August
Overcast. High 91°, low 60°.
0
Nampa, Thursday, 20 August
Partly cloudy. High 97°, low 61°.
0Nampa, Friday, 21 August
Overcast. High 92°, low 65°.
0.07Nampa, Saturday, 22 August
Light rain. High 84°, low 59°.
0Nampa, Sunday, 23 August
Partly cloudy. High 85°, low 55°.
0Nampa, Monday, 24 August
Overcast. High 94°, low 61°.
0.01
Nampa, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.01Nampa, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.02Nampa, Thursday, 27 August
Climate normal for this date — 60-year average.
0Nampa, Friday, 28 August
Climate normal for this date — 60-year average.
0Nampa, Saturday, 29 August
Climate normal for this date — 60-year average.
0Nampa, Sunday, 30 August
Climate normal for this date — 60-year average.
0.01Nampa, Monday, 31 August
Climate normal for this date — 60-year average.
0Nampa, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.01Nampa, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.01Nampa, Thursday, 3 September
Climate normal for this date — 60-year average.
0.01Nampa, Friday, 4 September
Climate normal for this date — 60-year average.
0.03Nampa, Saturday, 5 September
Climate normal for this date — 60-year average.
0.02Nampa, Sunday, 6 September
Climate normal for this date — 60-year average.
0.01Nampa, 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 Nampa, ID 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 Nampa, ID 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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