Weather & Climate in Weston, ID

Temperature, precipitation, air quality, natural hazards, and monthly weather data.

Weston experiences four distinct seasons with an average annual temperature of 47°F (8°C). Winters average 24°F in January while summers reach 71°F in July. The area gets 302 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 17.3 inches (drier than the 38-inch national average). The area receives 52.4 inches of snow annually, making winter weather a significant factor for residents. Air quality is rated Good with a median AQI of 33. The city sits at an elevation of 4,739 feet.

Temperature

24°F Jan (-5°C) 71°F Jul (22°C)

Annual Average	47.0°F
	13% below US avg
January Average	24°F (-5°C)
July Average	71°F (22°C)
Sunny Days	302 days/yr

Geography

Elevation	4,739 ft (1,444 m)
Area	1.9 sq mi (4.9 km²)
Population Density	308/sq mi
Coordinates	42.0362°N, 111.9778°W
Timezone	America/Boise
County	Franklin County County
Nearest Airport	Brigham City Regional (BMC) 34 miles away

Precipitation & Snow

Annual Rainfall 17.3"

54% below US avg

Snowfall 52.4"

Wettest Month (May) 2.13"

Driest Month (Aug) 0.94"

Air Quality

AQI Median	33.0
Rating	Good

Natural Hazard Risk

Overall Risk	Very Low
Risk Score	7.6 / 100
Social Vulnerability	10.6 / 100
Community Resilience	22.9 / 100

Hazard Breakdown

Tornado	Very Low
Earthquake	Relatively Low
Wildfire	Relatively Low
Flood	Very Low
Hail	Very Low
Strong Wind	Very Low
Heat Wave	Very Low
Winter Weather	Relatively Moderate
Lightning	Relatively Low
Ice Storm	Very Low
Drought	Very Low
Cold Wave	Very Low
Landslide	Very Low
Volcano	Very Low
Avalanche	Very Low

Source: FEMA National Risk Index v1.20 (Dec 2025)

Earthquake History

1,316 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.8.

Feb 3, 1994	4 km SSE of Auburn, Wyoming	M5.8	115 km	8 km
Mar 18, 2020	5 km NNE of Magna, Utah	M5.7	143 km	12 km
Apr 21, 2001	29 km WSW of Freedom, Idaho	M5.3	110 km	1 km
Sep 2, 2017	12 km E of Soda Springs, Idaho	M5.3	81 km	10 km
Sep 10, 2017	9 km NNW of Georgetown, Idaho	M5.0	75 km	10 km
Apr 15, 2010	9 km NE of Randolph, Utah	M4.9	82 km	10 km
Feb 11, 1994	3 km SSE of Auburn, Wyoming	M4.8	114 km	5 km
Sep 10, 2017	12 km ESE of Soda Springs, Idaho	M4.7	76 km	5 km
Sep 11, 2017	9 km NW of Georgetown, Idaho	M4.7	72 km	8 km
Sep 3, 2017	15 km ESE of Soda Springs, Idaho	M4.7	79 km	10 km
Feb 4, 1994	4 km WNW of Fairview, Wyoming	M4.7	108 km	5 km
Sep 3, 2017	10 km E of Soda Springs, Idaho	M4.7	79 km	8 km
Nov 4, 1992	67 km ENE of Montello, Nevada	M4.7	136 km	9 km
Sep 6, 2017	11 km NNW of Georgetown, Idaho	M4.6	74 km	10 km
Mar 18, 2020	6 km NNE of Magna, Utah	M4.6	142 km	9 km
Mar 18, 2020	5 km NE of Magna, Utah	M4.6	143 km	11 km
Feb 7, 1994	4 km SW of Fairview, Wyoming	M4.5	105 km	5 km
Sep 4, 2017	13 km ESE of Soda Springs, Idaho	M4.5	78 km	6 km
Feb 3, 1994	13 km WSW of Auburn, Wyoming	M4.4	103 km	5 km
Feb 10, 1994	3 km WSW of Auburn, Wyoming	M4.4	113 km	5 km

Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.

Tornado History

42 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF2. Total: 16 injuries.

Date	Rating	Distance	Path	Fatalities
Aug 14, 1968	EF2	88 km	1.5 mi	0
Sep 22, 2016	EF1	97 km	2.9 mi	0
Aug 20, 1998	EF1	100 km	0.1 mi	0
May 29, 1996	EF1	82 km	1.3 mi	0
Jun 11, 1993	EF1	76 km	10.0 mi	0
Sep 17, 1989	EF1	7 km	0.2 mi	0
May 29, 1987	EF1	12 km	0.2 mi	0
May 21, 1986	EF1	31 km	5.0 mi	0
May 21, 1986	EF1	48 km	0.5 mi	0
Aug 18, 1983	EF1	76 km	2.5 mi	0
Jun 30, 1982	EF1	11 km	1.2 mi	0
Jul 17, 1981	EF1	96 km	0.8 mi	0
May 6, 1981	EF1	19 km	0.5 mi	0
Jun 23, 1965	EF1	91 km	0.6 mi	0
May 25, 1954	EF1	60 km	0.5 mi	0
Jun 23, 2023	EF0	71 km	0.2 mi	0
May 28, 2018	EF0	61 km	0.1 mi	0
Jul 31, 2016	EF0	80 km	1.7 mi	0
Jul 7, 2013	EF0	58 km	1.0 mi	0
May 3, 2009	EF0	71 km	1.0 mi	0

Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).

Tsunami History

1 tsunami recorded within 500 km. Highest wave on record: 3.6 m (12 ft).

Year	Location	Cause	Max Wave	Deaths	Distance
1909	UTAH	Earthquake	3.6 m	—	65 km

Source: NOAA/NCEI Historical Tsunami Database.

Nearby Volcanoes

3 volcanoes within 200 km. Closest: Wapi Lava Field (139 km).

Name	Type	Elevation	Last Eruption	Distance
Wapi Lava Field	Shield	1,604 m (5,262 ft)	-300	139 km
Hell's Half Acre	Shield	1,631 m (5,351 ft)	-3250	167 km
Craters of the Moon	Pyroclastic cone(s)	2,005 m (6,578 ft)	-130	198 km

Source: Smithsonian Institution Global Volcanism Program (GVP).

Wildfire History

20 wildfires (100+ acres) recorded within 100 km. Largest: POWERLINE (54,378 acres, 2017).

Year	Name	Acres Burned	Distance
2017	POWERLINE	54,378	90 km
2006	STONE 2	50,677	66 km
2001	UNNAMED	38,647	73 km
1994	ELEVATOR	31,854	33 km
2013	STATE	31,011	30 km
2016	BROAD MOUTH	21,009	33 km
2000	FISHER SPRINGS	17,428	98 km
1996	GOLDEN SPIKE	16,186	72 km
2007	CLEVELAND	16,172	35 km
1999	BRIDGER BA	15,227	96 km
2018	GORING	14,538	37 km
2018	NORTH EDEN	14,398	76 km
2007	COW CANYON	13,447	75 km
2017	WILDCAT	13,100	92 km
1992	MEADOW DIVIDE	12,968	72 km
1998	EAGLE TWO	12,809	100 km
2000	TAYLOR	12,633	50 km
1988	METCALF	11,946	45 km
2000	MOONSHINE	11,489	86 km
1994	DRY CANYON 2	10,927	72 km

Source: NIFC/IRWIN Wildfire Records (100+ acres).

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	24°F (-5°C)	1.3 in
February	27°F (-3°C)	1.2 in
March	37°F (3°C)	1.5 in
April	45°F (7°C)	1.5 in
May	54°F (12°C)	2.1 in	Wettest
June	63°F (17°C)	1.2 in
July	71°F (22°C)	1.0 in	Warmest
August	69°F (21°C)	0.9 in	Driest
September	59°F (15°C)	1.3 in
October	48°F (9°C)	1.5 in
November	34°F (1°C)	1.3 in
December	23°F (-5°C)	1.2 in	Coldest

Weston has a seasonal temperature swing of 48°F / from 23°F in December to 71°F in July. Total annual precipitation is 16.0 inches, with May being the wettest month (2.1") and August the driest (0.9").

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