Rexburg, Idaho Weather
Rexburg weather this week
At 18:00 local time it is 8°C in Rexburg under overcast skies, feeling like 5°C. Today's forecast high is 14°C and the low is -4°C, and the day overall looks foggy. Rain is unlikely today (0% chance). Winds are blowing at about 10 km/h from the east. Humidity is 53%.
Over the next 7 days in Rexburg, daytime highs range from 6°C to 15°C and night-time lows from -4°C to 2°C. The warmest afternoon is likely tomorrow at 15°C, while the coolest night is expected tonight at -4°C. Temperatures trend cooler through the week, dropping by about 4°C. Expect a wide gap of around 18°C between afternoon and early-morning temperatures, so mornings will feel noticeably cooler.
Rain is most likely Saturday, Tuesday and Wednesday, with roughly 8.2 mm forecast in total over the week. Snowfall is in the forecast Saturday, Tuesday and Wednesday; check road conditions before travelling. Fog may reduce visibility in the mornings today, so drive with low-beam lights and extra caution.
It turns breezy on Wednesday, with winds reaching about 32 km/h — secure loose objects on rooftops and balconies. UV levels stay moderate or lower, peaking at 3. Average humidity is a comfortable 65% or so.
| Day | Conditions | High / Low | Rain chance | Rain | Max wind |
|---|---|---|---|---|---|
| Today (Thursday) | Fog | 14° / -4° | 0% | 0.0 mm | 10 km/h |
| Tomorrow (Friday) | Overcast | 15° / -1° | 5% | 0.0 mm | 22 km/h |
| Saturday | Slight snow | 8° / 2° | 55% | 4.9 mm | 28 km/h |
| Sunday | Overcast | 9° / 0° | 0% | 0.0 mm | 14 km/h |
| Monday | Overcast | 9° / 0° | 20% | 0.0 mm | 9 km/h |
| Tuesday | Slight snow | 9° / 2° | 60% | 1.8 mm | 29 km/h |
| Wednesday | Snow | 6° / 1° | 60% | 1.5 mm | 32 km/h |
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Today's outlook for Rexburg
At 18:00 local time it is 8°C in Rexburg under overcast skies, feeling like 5°C. Today's forecast high is 14°C and the low is -4°C, and the day overall looks foggy. Rain is unlikely today (0% chance). Winds are blowing at about 10 km/h from the east. Humidity is 53%.
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About Rexburg weather
Rexburg is one of many towns in Idaho's mix of semi-arid plains and mountainous terrain, about 355 km east of Boise. Before the rains arrive, there's warm, dry summers (June–August). Cooler months mean cold winters with significant mountain snowfall. This page shows live, auto-refreshing weather for Rexburg: current conditions, an hourly breakdown, a 16-day outlook, a date-lookup tool for any past or future date, and real-time air quality, sourced from Open-Meteo. Local timezone: America/Boise.
Frequently asked questions
Rexburg is about 355 km east of Boise, in Idaho.
Rexburg sees cold winters with significant mountain snowfall.
The live current conditions, hourly forecast and 16-day outlook above are pulled in real time for Rexburg's exact coordinates. No fixed schedule, the page updates whenever you load it.
Yes, use the "View live radar" link on this page for real-time precipitation radar centered on Rexburg.
Yes, where the AQI panel above shows a value. It's sourced from the same live air-quality provider used across TodayWeather. If it reads "not available," air-quality coverage doesn't currently extend to this location.
Up to 16 days ahead using the extended forecast and date picker above; further-out or historical dates use the same date lookup tool.
Live temperature for Rexburg is shown at the top of this page and refreshes automatically — see the hourly breakdown below for how it changes through the day.
Check the rain chance in the hourly forecast above, or the 16-day outlook for Rexburg further down this page, for the latest precipitation forecast.
The current UV index for Rexburg is shown in the metrics and today's-forecast panels above, along with a plain-language band (low/moderate/high) so you know when sun protection matters.
Live relative humidity for Rexburg is shown in the humidity ring near the top of this page, and again in the detailed metrics further down.
Rexburg's day-to-day weather follows the broader pattern of Idaho described above. See the hourly weather forecast or the air quality index for more detail.