Manassas Rgnl
Weather station · 38.7°N 77.5°W · 53 m above sea level
ICAO KHEFStation data since 2004
Record high
34.4°C
in 2010
Record low
3.9°C
in 2020
Average high
26.8°C
all years on record
18.4°C short of the record for 23 September
Today’s high 16.0°C against 34.4°C in 2010. A reading that beats it is flagged here automatically, once a second cycle confirms it.
All-time record high
41.1°C
- Date
- Saturday, 23 July 2011
- Time of day
- Not recorded. The daily archive stores the day, not the hour.
- Location
- Manassas Rgnl, United States
- Position
- 38.72°N 77.52°W · 53 m
Highest highest in available records since 2004. Source: NOAA GHCN-Daily.
All-time record low
−17.2°C
- Date
- Saturday, 17 January 2009
- Time of day
- Not recorded. The daily archive stores the day, not the hour.
- Location
- Manassas Rgnl, United States
- Position
- 38.72°N 77.52°W · 53 m
Highest and lowest lowest in available records since 2004. Source: NOAA GHCN-Daily.
Where Manassas Rgnl is
38.72°N 77.52°W
Every year on record
2004 to 2026
Annual average · °C
Trend over 15 years with data: -0.51 °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
25.6°
−17.2°
Feb
27.2°
−16.7°
Mar
30.0°
−15.0°
Apr
34.4°
−3.9°
May
36.1°
0.6°
Jun
39.4°
7.2°
Jul
41.1°
11.1°
Aug
39.4°
10.6°
Sep
36.7°
Recent days
| Day | High | At | Low | At |
|---|---|---|---|---|
| 2026-09-23 | 16.0°C | 01:24 UTC | 14.0°C | 05:32 UTC |
| 2026-09-22 | 16.1°C | 18:56 UTC | 15.6°C | 14:56 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), 2004 to 2026 | Measured, station |
| Nearby stations and distances | Computed from station positions in our own database | Calculated |
