21 August 2025 Observation History, [IIY] Washington, timezone: America/New_York
| Time | Wind (mph) |
Vis. (mi.) |
Sky Cond. (100s ft) |
Present Wx | Temperature (ºF) | Relative Humidity |
Pressure | Snow Depth (in) |
Precipitation (in.) | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Air | Dwpt | Feels Like | 6 hour | altimeter (in.) |
sea level (mb) |
1 hr | 3 hr | 6 hr | ||||||||
| Max. | Min. | |||||||||||||||
| 12:15 AM | NW 6 | 10 | CLR | 75 | 72 | 75 | 91 | 29.87 | 0 | |||||||
| KIIY 210415Z AUTO 32005KT 10SM CLR 24/22 A2987 RMK AO2 T02400225 | ||||||||||||||||
| 12:35 AM | NNW 5 | 10 | CLR | 75 | 72 | 75 | 90 | 29.88 | 0 | |||||||
| KIIY 210435Z AUTO 33004KT 10SM CLR 24/22 A2988 RMK AO2 T02380223 | ||||||||||||||||
| 1:15 AM | Calm | 10 | CLR | 74 | 72 | 74 | 94 | 29.87 | 0 | |||||||
| KIIY 210515Z AUTO 00000KT 10SM CLR 23/22 A2987 RMK AO2 T02320222 | ||||||||||||||||
| 1:35 AM | NNW 3 | 10 | CLR | 73 | 72 | 73 | 95 | 29.86 | 0 | |||||||
| KIIY 210535Z AUTO 33003KT 10SM CLR 23/22 A2986 RMK AO2 T02300222 | ||||||||||||||||
| 1:55 AM | NW 5 | 10 | CLR | 73 | 72 | 73 | 81 | 73 | 95 | 29.86 | 0 | |||||
| KIIY 210555Z AUTO 32004KT 10SM CLR 23/22 A2986 RMK AO2 T02290221 10274 20228 | ||||||||||||||||
| 2:15 AM | NNW 3 | 10 | CLR | 73 | 72 | 73 | 95 | 29.85 | 0 | |||||||
| KIIY 210615Z AUTO 34003KT 10SM CLR 23/22 A2985 RMK AO2 T02290221 | ||||||||||||||||
| 2:35 AM | NNW 3 | 10 | CLR | 73 | 71 | 73 | 95 | 29.85 | 0 | |||||||
| KIIY 210635Z AUTO 33003KT 10SM CLR 23/22 A2985 RMK AO2 T02280219 | ||||||||||||||||
| 2:55 AM | Calm | 10 | CLR | 72 | 72 | 72 | 97 | 29.85 | 0 | |||||||
| KIIY 210655Z AUTO 00000KT 10SM CLR 22/22 A2985 RMK AO2 T02250220 | ||||||||||||||||
| 3:15 AM | Calm | 7 | CLR | BR | 72 | 72 | 72 | 99 | 29.85 | 0 | ||||||
| KIIY 210715Z AUTO 00000KT 7SM BR CLR 22/22 A2985 RMK AO2 T02230220 | ||||||||||||||||
| 3:35 AM | Calm | 10 | CLR | 72 | 71 | 72 | 98 | 29.85 | 0 | |||||||
| KIIY 210735Z AUTO 00000KT 10SM CLR 22/22 A2985 RMK AO2 T02230219 | ||||||||||||||||
API: The IEM API webservice that provided data to this page. For more details, see documentation.
Data Notes
- For recent years, this page also optionally shows observations from the MADIS High Frequency METAR dataset. This dataset had a problem with temperatures detailed here.