Weather in Happy Valley, OR
Happy Valley, Sunday, 9 August, 05:13
Mostly clear. Feels like 55°. High 82°, low 56°.
Monthly outlook for Happy Valley, OR: average high 76.5°, average low 55.9°. That is 2.8° below the climate normal for August. Precipitation is expected on 3 days (about 1.0 inches), against a normal of 2 days and 0.5 inches. The warmest day looks like 13 August (86.4°), the coolest 10 August (49.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 80.5° | 82.6° | -1.2° |
| 19 August – 28 August | 69.9° | 79.9° | -5.5° |
| 29 August – 7 September | at normal | 78.3° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Johnson City (4 mi).
0
Happy Valley, Monday, 10 August
Clear. High 81°, low 50°.
0Happy Valley, Tuesday, 11 August
Clear. High 84°, low 53°.
0Happy Valley, Wednesday, 12 August
Clear. High 82°, low 57°.
0Happy Valley, Thursday, 13 August
Clear. High 86°, low 54°.
0
Happy Valley, Friday, 14 August
Overcast. High 85°, low 57°.
0Happy Valley, Saturday, 15 August
Clear. High 86°, low 57°.
0Happy Valley, Sunday, 16 August
Overcast. High 84°, low 56°.
0.2
Happy Valley, Monday, 17 August
Light rain. High 61°, low 56°.
0.01Happy Valley, Tuesday, 18 August
Light rain. High 73°, low 56°.
0Happy Valley, Wednesday, 19 August
Light rain. High 77°, low 60°.
0Happy Valley, Thursday, 20 August
Overcast. High 71°, low 60°.
0.01Happy Valley, Friday, 21 August
Light rain. High 76°, low 58°.
0.48Happy Valley, Saturday, 22 August
Rain. High 67°, low 58°.
0Happy Valley, Sunday, 23 August
Overcast. High 73°, low 53°.
0.24Happy Valley, Monday, 24 August
Rain. High 56°, low 54°.
0.06
Happy Valley, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.02Happy Valley, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.04Happy Valley, Thursday, 27 August
Climate normal for this date — 60-year average.
0.03Happy Valley, Friday, 28 August
Climate normal for this date — 60-year average.
0.06
Happy Valley, Saturday, 29 August
Climate normal for this date — 60-year average.
0.06Happy Valley, Sunday, 30 August
Climate normal for this date — 60-year average.
0.05Happy Valley, Monday, 31 August
Climate normal for this date — 60-year average.
0.06Happy Valley, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.06Happy Valley, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.05Happy Valley, Thursday, 3 September
Climate normal for this date — 60-year average.
0.03Happy Valley, Friday, 4 September
Climate normal for this date — 60-year average.
0.05Happy Valley, Saturday, 5 September
Climate normal for this date — 60-year average.
0.08Happy Valley, Sunday, 6 September
Climate normal for this date — 60-year average.
0.04Happy Valley, 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 Happy Valley, OR 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 Happy Valley, OR 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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