May 2018 Weather in Yellowstone National Park — Graph
High & Low Weather Summary for May 2018
| Temperature | Humidity | Pressure | |
|---|---|---|---|
| High | 72 °F (May 25, 3:10 pm) | 100% (May 1, 12:15 am) | 30.34 "Hg (May 1, 12:15 am) |
| Low | 21 °F (May 3, 5:10 am) | 21% (May 9, 5:35 pm) | 29.79 "Hg (May 1, 4:55 am) |
| Average | 47 °F | 75% | 30.06 "Hg |
| * Reported May 1 12:15 am — May 31 11:50 pm, Yellowstone National Park. Weather by CustomWeather, © 2024 | |||
Note: Actual official high and low records may vary slightly from our data, if they occured in-between our weather recording intervals... More about our weather records
Yellowstone National Park Weather History for May 1, 2018
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| Conditions | Comfort | |||||||
|---|---|---|---|---|---|---|---|---|
| Time | Temp | Weather | Wind | Humidity | Barometer | Visibility | ||
| 12:15 am Tue, May 1 |  | 32 °F | Light snow. Passing clouds. | No wind | ↑ | 100% | 29.81 "Hg | 2 mi |
| 12:35 am | | 32 °F | Light snow. Passing clouds. | No wind | ↑ | 100% | 29.81 "Hg | 2 mi |
| 12:55 am | | 32 °F | Light snow. Mostly cloudy. | No wind | ↑ | 100% | 29.81 "Hg | 2 mi |
| 1:10 am | | 32 °F | Light snow. Low clouds. | No wind | ↑ | 100% | 29.81 "Hg | 2 mi |
| 1:30 am | | 32 °F | Light snow. Low clouds. | No wind | ↑ | 100% | 29.81 "Hg | 2 mi |
| 2:15 am |  | 32 °F | Ice fog. | No wind | ↑ | 100% | 29.80 "Hg | 5 mi |
| 2:35 am | | 32 °F | Light snow. Passing clouds. | 5 mph | ↑ | 100% | 29.80 "Hg | 3 mi |
| 2:55 am | | 32 °F | Light snow. Overcast. | 5 mph | ↑ | 100% | 29.80 "Hg | 2 mi |
| 3:15 am | | 32 °F | Ice fog. | 5 mph | ↑ | 100% | 29.80 "Hg | 4 mi |
| 3:35 am |  | 32 °F | Overcast. | No wind | ↑ | 100% | 29.80 "Hg | 10 mi |
| 3:50 am | | 32 °F | Overcast. | 3 mph | ↑ | 100% | 29.80 "Hg | 10 mi |
| 4:10 am | | 32 °F | Overcast. | No wind | ↑ | 100% | 29.80 "Hg | 10 mi |
| 4:35 am | | 32 °F | Ice fog. | No wind | ↑ | 100% | 29.80 "Hg | 6 mi |
| 4:55 am | | 32 °F | Passing clouds. | No wind | ↑ | 100% | 29.79 "Hg | 9 mi |
| 5:15 am | | 32 °F | Overcast. | No wind | ↑ | 100% | 29.79 "Hg | 10 mi |
| 5:35 am | | 32 °F | Light snow. Overcast. | No wind | ↑ | 100% | 29.79 "Hg | 7 mi |
| 6:10 am | | 32 °F | Light snow. Overcast. | No wind | ↑ | 100% | 29.79 "Hg | 3 mi |
| 6:30 am | | 32 °F | Light snow. Mostly cloudy. | No wind | ↑ | 100% | 29.80 "Hg | 2 mi |
| 7:15 am |  | 32 °F | Ice fog. | No wind | ↑ | 100% | 29.80 "Hg | 4 mi |
| 7:35 am | | 32 °F | Light snow. Cloudy. | No wind | ↑ | 100% | 29.80 "Hg | 6 mi |
| 8:15 am | | 32 °F | Light snow. Low clouds. | No wind | ↑ | 100% | 29.81 "Hg | 1 mi |
| 8:30 am | | 32 °F | Light snow. Partly sunny. | No wind | ↑ | 100% | 29.81 "Hg | 1 mi |
| 8:50 am | | 32 °F | Light snow. Scattered clouds. | No wind | ↑ | 100% | 29.82 "Hg | 1 mi |
| 9:15 am | | 32 °F | Light snow. Scattered clouds. | No wind | ↑ | 100% | 29.82 "Hg | 1 mi |
| 9:55 am | | 32 °F | Light snow. Partly sunny. | No wind | ↑ | 100% | 29.82 "Hg | 1 mi |
| 10:55 am | | 32 °F | Light snow. Scattered clouds. | No wind | ↑ | 100% | 29.83 "Hg | 1 mi |
| 11:15 am |  | 34 °F | Fog. | No wind | ↑ | 93% | 29.83 "Hg | 1 mi |
| 11:30 am | | 34 °F | Fog. | No wind | ↑ | 93% | 29.84 "Hg | 2 mi |
| 11:50 am | | 34 °F | Fog. | No wind | ↑ | 93% | 29.84 "Hg | 2 mi |
| 12:15 pm | | 36 °F | Fog. | 6 mph | ↑ | 93% | 29.84 "Hg | 2 mi |
| 12:35 pm | | 36 °F | Fog. | 5 mph | ↑ | 93% | 29.84 "Hg | 6 mi |
| 12:55 pm |  | 34 °F | Light rain. Partly sunny. | No wind | ↑ | 100% | 29.84 "Hg | 1 mi |
| 1:15 pm | | 36 °F | Light rain. Scattered clouds. | 3 mph | ↑ | 93% | 29.84 "Hg | 7 mi |
| 1:30 pm | | 36 °F | Light rain. Scattered clouds. | No wind | ↑ | 87% | 29.84 "Hg | 2 mi |
| 2:15 pm |  | 39 °F | Mostly cloudy. | 6 mph | ↑ | 87% | 29.84 "Hg | 10 mi |
| 2:35 pm | | 37 °F | Light rain. Cloudy. | 13 mph | ↑ | 87% | 29.84 "Hg | 9 mi |
| 2:55 pm | | 37 °F | More clouds than sun. | 17 mph | ↑ | 87% | 29.84 "Hg | 10 mi |
| 3:15 pm | | 39 °F | Broken clouds. | 12 mph | ↑ | 81% | 29.84 "Hg | 10 mi |
| 3:35 pm | | 39 °F | Broken clouds. | 9 mph | ↑ | 81% | 29.84 "Hg | 10 mi |
| 3:55 pm | | 39 °F | Partly sunny. | 14 mph | ↑ | 81% | 29.84 "Hg | 10 mi |
| 4:15 pm |  | 39 °F | Overcast. | 12 mph | ↑ | 75% | 29.85 "Hg | 10 mi |
| 4:30 pm | | 39 °F | Mostly cloudy. | 15 mph | ↑ | 81% | 29.85 "Hg | 10 mi |
| 4:50 pm | | 39 °F | Broken clouds. | 13 mph | ↑ | 81% | 29.86 "Hg | 10 mi |
| 5:15 pm |  | 41 °F | Scattered clouds. | 10 mph | ↑ | 70% | 29.85 "Hg | 10 mi |
| 5:50 pm | | 41 °F | Partly sunny. | 9 mph | ↑ | 70% | 29.86 "Hg | 10 mi |
| 6:35 pm | | 41 °F | Mostly cloudy. | 6 mph | ↑ | 70% | 29.88 "Hg | 10 mi |
| 6:55 pm | | 39 °F | Broken clouds. | 3 mph | ↑ | 75% | 29.88 "Hg | 10 mi |
| 7:30 pm | | 39 °F | Overcast. | No wind | ↑ | 81% | 29.90 "Hg | 10 mi |
| 8:15 pm | | 37 °F | Mostly cloudy. | No wind | ↑ | 87% | 29.92 "Hg | 10 mi |
| 8:55 pm | | 36 °F | Overcast. | No wind | ↑ | 93% | 29.94 "Hg | 10 mi |
| 9:15 pm | | 36 °F | Mostly cloudy. | No wind | ↑ | 93% | 29.94 "Hg | 10 mi |
| 9:35 pm | | 36 °F | Mostly cloudy. | No wind | ↑ | 93% | 29.95 "Hg | 10 mi |
| 9:55 pm | | 34 °F | Mostly cloudy. | No wind | ↑ | 100% | 29.96 "Hg | 10 mi |
| 10:10 pm | | 34 °F | Overcast. | No wind | ↑ | 100% | 29.96 "Hg | 10 mi |
| 10:30 pm | | 32 °F | Passing clouds. | No wind | ↑ | 100% | 29.96 "Hg | 10 mi |
| 10:55 pm | | 30 °F | Passing clouds. | No wind | ↑ | 100% | 29.96 "Hg | 10 mi |
| 11:15 pm | | 32 °F | Overcast. | No wind | ↑ | 100% | 29.97 "Hg | 10 mi |
| 11:35 pm | | 32 °F | Mostly cloudy. | No wind | ↑ | 100% | 29.96 "Hg | 10 mi |
| 11:55 pm | | 32 °F | Mostly cloudy. | No wind | ↑ | 100% | 29.97 "Hg | 10 mi |
| Weather by CustomWeather, © 2024 | ||||||||