Weather in Surprise, AZ
Surprise, Saturday, 8 August, 18:26
Overcast. Feels like 102°. High 109°, low 91°.
Monthly outlook for Surprise, AZ: average high 101.8°, average low 84.7°. That is 0.7° above the climate normal for August. Precipitation is expected on 8 days (about 1.0 inches), against a normal of 2 days and 0.7 inches. The warmest day looks like 9 August (112.4°), the coolest 13 August (78.9°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 8 August – 17 August | 103.7° | 101° | +1.5° |
| 18 August – 27 August | 98.5° | 99.9° | -0.8° |
| 28 August – 6 September | at normal | 99.8° | — |
August records over 66 years
0
Surprise, Sunday, 9 August
Clear. High 112°, low 89°.
0.04
Surprise, Monday, 10 August
Light rain. High 108°, low 85°.
0.01Surprise, Tuesday, 11 August
Light rain. High 103°, low 82°.
0.33Surprise, Wednesday, 12 August
Light rain. High 96°, low 82°.
0.17Surprise, Thursday, 13 August
Light rain. High 99°, low 79°.
0
Surprise, Friday, 14 August
Mostly clear. High 99°, low 84°.
0Surprise, Saturday, 15 August
Overcast. High 103°, low 86°.
0Surprise, Sunday, 16 August
Overcast. High 103°, low 86°.
0Surprise, Monday, 17 August
Mostly clear. High 106°, low 89°.
0.06Surprise, Tuesday, 18 August
Light rain. High 106°, low 84°.
0.04Surprise, Wednesday, 19 August
Light rain. High 99°, low 82°.
0.11Surprise, Thursday, 20 August
Light rain. High 99°, low 85°.
0.02Surprise, Friday, 21 August
Light rain. High 97°, low 85°.
0.12Surprise, Saturday, 22 August
Light rain. High 90°, low 81°.
0Surprise, Sunday, 23 August
Overcast. High 100°, low 84°.
0.02Surprise, Monday, 24 August
Climate normal for this date — 60-year average.
0.03Surprise, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.03Surprise, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.06Surprise, Thursday, 27 August
Climate normal for this date — 60-year average.
0.02Surprise, Friday, 28 August
Climate normal for this date — 60-year average.
0.02Surprise, Saturday, 29 August
Climate normal for this date — 60-year average.
0.02Surprise, Sunday, 30 August
Climate normal for this date — 60-year average.
0.02Surprise, Monday, 31 August
Climate normal for this date — 60-year average.
0.03Surprise, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.06Surprise, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.02Surprise, Thursday, 3 September
Climate normal for this date — 60-year average.
0.05Surprise, Friday, 4 September
Climate normal for this date — 60-year average.
0.09
Surprise, Saturday, 5 September
Climate normal for this date — 60-year average.
0.02Surprise, 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 Surprise, AZ 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 Surprise, AZ 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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