Weather Forecast Comparison

Explanation: The NWS Forecast forecast is provided by the National Weather Service. The OlallaWx.org forecast is generated locally using WXSIM forecasting software, customized for Olalla, WA and operated by OlallaWx.org.

About the Forecasts

OlallaWx.org uses WXSIM forecasting software — a sophisticated, locally-run weather prediction system designed to provide highly customized forecasts specifically for the Olalla, WA area.

How it compares to NWS:

Feature NWS (National Weather Service) OlallaWx.org via WXSIM
Forecast Scope Broad zones (counties, metro areas) Hyperlocal (Olalla-specific)
Update Frequency 2–4 times daily Approximately every 2 hours
Local Station Integration Not always included Uses OlallaWx.org station data
Forecast Engine Government meteorological models Hybrid expert + AI model (WXSIM)

NWS Forecast OlallaWx.org Forecast Forecast
This
Afternoon
This Afternoon: Sunny
Sunny

Hi 87 °F
This
afternoon
Clear
Clear
High: 85°
NWS: Sunny, with a high near 87. North wind around 14 mph.

OlallaWx: Clear. Hot. High 85°. UV index up to 5. Wind north around 11 mph, gusting to 24 mph.
Tonight

Tonight: Clear
Clear

Lo 63 °F
Tonight

Fog late
Fog late
Low: 52°
NWS: Clear. Low around 63, with temperatures rising to around 65 overnight. North northeast wind 5 to 13 mph.

OlallaWx: Clear. Patchy light fog after midnight. Cool. Low 52°. Wind north around 4 mph in the evening, becoming near calm after midnight.
Wednesday

Wednesday: Sunny
Sunny

Hi 92 °F
Wednesday

Fog a.m.
Fog a.m.
High: 89°
NWS: Sunny, with a high near 92. West wind 2 to 8 mph.

OlallaWx: Sunny. Patchy light fog in the morning. Unusually hot. High 89°. UV index up to 8. Wind north around 2 mph in the morning, becoming west in the afternoon.
Wednesday
Night
Wednesday Night: Clear
Clear

Lo 60 °F
Wednesday
night
Mostly Clear
Mostly Clear
Low: 52°
NWS: Clear, with a low around 60. Northwest wind around 7 mph.

OlallaWx: Clear in the evening, becoming mostly clear after midnight. Cool. Low 52°. Wind west-northwest near calm in the evening, becoming south-southwest after midnight.
Thursday

Thursday: Sunny
Sunny

Hi 85 °F
Thursday

Sunny
Sunny
High: 87°
NWS: Sunny, with a high near 85. West wind around 8 mph.

OlallaWx: Sunny. Unusually hot. High 87°. UV index up to 8. Wind south-southwest near calm in the morning, becoming north-northwest around 4 mph in the afternoon.
Thursday
Night
Thursday Night: Mostly Clear
Mostly Clear

Lo 60 °F
Thursday
night
Fog late
Fog late
Low: 51°
NWS: Mostly clear, with a low around 60.

OlallaWx: Clear. Patchy light fog after midnight. Cool. Low 51°. Wind north-northwest around 2 mph in the evening, becoming southwest after midnight.
Friday

Friday: Sunny
Sunny

Hi 82 °F
Friday

Fog a.m.
Fog a.m.
High: 87°
NWS: Sunny, with a high near 82.

OlallaWx: Sunny in the morning, becoming partly to mostly sunny in the afternoon. Patchy light fog in the morning. Unusually hot. High 87°. UV index up to 7. Wind southwest around 5 mph, gusting to 16 mph, in the morning, becoming 9 mph, gusting to 18 mph, in the afternoon.