| Name | Þrengsli |
| Type | Automated observational station |
| Station number | 31387 |
| WMO number | 4858 |
| Abbreviation | treng |
| Forecast region | South(su) |
| Location | 63°59.254', 21°27.797' (63.9876, 21.4633) |
| Height above sea-level | 260.0 m a.s.l. |
| Beginning of weather observations | 1997 |
| Station owned by | Vegagerðin |



