Pittsburgh
United States › Pennsylvania
Weather Forecast
Pittsburgh
Chance of rain: 0%
Feels like 60°F
Today's Forecast
Air Conditions
Air quality: Good
Weather Alerts
* WHAT...For the Frost Advisory, temperatures as low as 33 will result in frost formation. For the Freeze Watch, sub-freezing temperatures as low as 28 possible. * WHERE...Forest, Jefferson PA, Mercer, Venango, Lawrence, Armstrong, Butler, Clarion, Higher Elevations of Indiana, and Indiana Counties. * WHEN...For the Frost Advisory, until 8 AM EDT this morning. For the Freeze Watch, from late tonight through Tuesday morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.
Effective: 2026-05-11T01:05:00-04:00* WHAT...For the Frost Advisory, temperatures as low as 33 will result in frost formation. For the Freeze Watch, sub-freezing temperatures as low as 28 possible. * WHERE...Forest, Jefferson PA, Mercer, Venango, Lawrence, Armstrong, Butler, Clarion, Higher Elevations of Indiana, and Indiana Counties. * WHEN...For the Frost Advisory, until 8 AM EDT this morning. For the Freeze Watch, from late tonight through Tuesday morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.
Effective: 2026-05-11T01:05:00-04:00* WHAT...Sub-freezing temperatures as low as 30 possible. * WHERE...Forest, Jefferson PA, Mercer, Venango, Lawrence, Armstrong, Butler, Clarion, Higher Elevations of Indiana, and Indiana Counties. * WHEN...From late tonight through Tuesday morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.
Effective: 2026-05-11T07:50:00-04:00Temperature - Past 7 Days & Forecast
Detailed 7-Day Forecast
| Day | High | Low | Condition | Rain | Wind | Humidity | UV | Sunrise | Sunset |
|---|---|---|---|---|---|---|---|---|---|
| Mon May 11 | 65°F | 42°F |
|
0% | 16 km/h | 46% | 5.9 | 06:07 AM | 08:26 PM |
| Tue May 12 | 64°F | 34°F |
|
0% | 9 km/h | 56% | 7.3 | 06:06 AM | 08:27 PM |
| Wed May 13 | 60°F | 46°F |
|
88% | 22 km/h | 84% | 2.2 | 06:05 AM | 08:28 PM |
| Thu May 14 | 49°F | 43°F |
|
86% | 16 km/h | 80% | 2.9 | 06:04 AM | 08:29 PM |
| Fri May 15 | 64°F | 40°F |
|
0% | 16 km/h | 67% | 0.7 | 06:03 AM | 08:30 PM |
| Sat May 16 | 63°F | 46°F |
|
89% | 17 km/h | 90% | 3 | 06:03 AM | 08:30 PM |
| Sun May 17 | 78°F | 53°F |
|
0% | 22 km/h | 78% | 5 | 06:02 AM | 08:31 PM |