Pasco/Tri Cities Arpt
Weather station · 46.3°N 119.1°W · 121 m above sea level
ICAO KPSCStation data since 1945
Record high
33.9°C
in 2011
Record low
−2.2°C
in 2000
Average high
25.3°C
all years on record
7.8°C short of the record for 23 September
Today’s high 26.1°C against 33.9°C in 2011. A reading that beats it is flagged here automatically, once a second cycle confirms it.
All-time record high
46.1°C
- Date
- Sunday, 27 June 2021
- Time of day
- Not recorded. The daily archive stores the day, not the hour.
- Location
- Pasco/Tri Cities Arpt, United States
- Position
- 46.27°N 119.12°W · 121 m
Highest highest in available records since 1945. Source: NOAA GHCN-Daily.
All-time record low
−28.3°C
- Date
- Sunday, 4 January 2004
- Time of day
- Not recorded. The daily archive stores the day, not the hour.
- Location
- Pasco/Tri Cities Arpt, United States
- Position
- 46.27°N 119.12°W · 121 m
Highest and lowest lowest in available records since 1945. Source: NOAA GHCN-Daily.
Where Pasco/Tri Cities Arpt is
46.27°N 119.12°W
Every year on record
1945 to 2026
Annual average · °C
Trend over 28 years with data: +0.15 °C per decade
Source: NOAA GHCN-Daily. Years the station did not cover are left as gaps, never joined across. The dashed line is a least squares trend through the years that have data.
Records by month
Jan
19.4°
−28.3°
Feb
20.6°
−18.8°
Mar
26.7°
−18.2°
Apr
34.4°
−6.0°
May
38.3°
−2.2°
Jun
46.1°
2.8°
Jul
44.4°
5.6°
Aug
43.9°
4.4°
Sep
38.9°
Recent days
| Day | High | At | Low | At |
|---|---|---|---|---|
| 2026-09-23 | 26.1°C | 00:53 UTC | 11.1°C | 07:53 UTC |
| 2026-09-22 | 26.7°C | 23:53 UTC | 16.7°C | 14:53 UTC |
Nearby stations
Data sources for this page
| Figure | Source | Type |
|---|---|---|
| Right now, today so far | NOAA Aviation Weather Center (METAR) and NOAA NWS WMO bulletins (SYNOP) | Measured, station |
| All-time, monthly and on-this-day records | NOAA NCEI Global Historical Climatology Network daily (GHCN-Daily), 1945 to 2026 | Measured, station |
| Nearby stations and distances | Computed from station positions in our own database | Calculated |
