As of 02:30 MDT

Weather in Roy, ID

54°Current weather

Roy, Thursday, 8 October, 02:30

Clear. Feels like 52°. High 80°, low 51°.

Pressure30.06 inHg
Wind0.3 mph SW
Humidity42%
Visibility6.2 mi
Dew point32°

Monthly outlook for Roy, ID: average high 58.4°, average low 40.8°. That is 1.2° below the climate normal for October. Precipitation is expected on 6 days (about 1.4 inches), against a normal of 3 days and 0.7 inches. The warmest day looks like 8 October (80.1°), the coolest 23 October (28.8°).

58.4°/40.8°
Average high / low
−1.2°
Below normal
6 / 3
Wet days / normal
1.4 in
Precipitation this month

Ten-day blocks vs climate normal

PeriodForecast highNormalDifference
8 October – 17 October58.8°61.4°-1.4°
18 October – 27 October57.7°57.9°-0.1°
28 October – 6 Novemberat normal51.5°—

October records over 66 years

88.2°2 October 2010All-time high
8.4°30 October 2019All-time low

Climate normals and records are computed from the nearest reference point — Rockland (15 mi).

Fri, 0979° / 48°0Mostly clear
79 °Mostly clear

Roy, Friday, 9 October

Mostly clear. High 79°, low 48°.

Pressure29.80 inHg
Wind11.9 mph S
Humidity33%
Visibility6.2 mi
Dew point40°
Sat, 1067° / 51°0.13Rain
67 °Rain

Roy, Saturday, 10 October

Rain. High 67°, low 51°.

Pressure29.59 inHg
Wind10.5 mph SE
Humidity55%
Visibility6.2 mi
Dew point43°
Sun, 1150° / 37°0.83Rain
50 °Rain

Roy, Sunday, 11 October

Rain. High 50°, low 37°.

Pressure29.65 inHg
Wind2 mph E
Humidity96%
Visibility2.0 mi
Dew point45°
Mon, 1257° / 41°0.18Light rain
57 °Light rain

Roy, Monday, 12 October

Light rain. High 57°, low 41°.

Pressure29.80 inHg
Wind8.6 mph S
Humidity65%
Visibility—
Dew point41°
Tue, 1355° / 43°0.11Light rain
55 °Light rain

Roy, Tuesday, 13 October

Light rain. High 55°, low 43°.

Pressure29.80 inHg
Wind7.2 mph E
Humidity75%
Visibility—
Dew point44°
Wed, 1452° / 37°0.03Snow
52 °Snow

Roy, Wednesday, 14 October

Snow. High 52°, low 37°.

Pressure29.80 inHg
Wind25.2 mph W
Humidity78%
Visibility—
Dew point33°
Thu, 1542° / 33°0Overcast
42 °Overcast

Roy, Thursday, 15 October

Overcast. High 42°, low 33°.

Pressure30.24 inHg
Wind18.6 mph W
Humidity59%
Visibility—
Dew point24°
Fri, 1650° / 36°0Partly cloudy
50 °Partly cloudy

Roy, Friday, 16 October

Partly cloudy. High 50°, low 36°.

Pressure30.36 inHg
Wind7.7 mph NW
Humidity45%
Visibility—
Dew point25°
Sat, 1755° / 37°0Clear
55 °Clear

Roy, Saturday, 17 October

Clear. High 55°, low 37°.

Pressure30.27 inHg
Wind8.9 mph NW
Humidity34%
Visibility—
Dew point22°
Sun, 1859° / 37°0Clear
59 °Clear

Roy, Sunday, 18 October

Clear. High 59°, low 37°.

Pressure30.18 inHg
Wind7.4 mph S
Humidity28%
Visibility—
Dew point20°
Mon, 1962° / 43°0Clear
62 °Clear

Roy, Monday, 19 October

Clear. High 62°, low 43°.

Pressure30.15 inHg
Wind7.4 mph S
Humidity30%
Visibility—
Dew point25°
Tue, 2064° / 44°0Clear
64 °Clear

Roy, Tuesday, 20 October

Clear. High 64°, low 44°.

Pressure30.15 inHg
Wind9.4 mph S
Humidity28%
Visibility—
Dew point25°
Wed, 2160° / 47°0.04Light rain
60 °Light rain

Roy, Wednesday, 21 October

Light rain. High 60°, low 47°.

Pressure29.77 inHg
Wind22.4 mph W
Humidity29%
Visibility—
Dew point26°
Thu, 2262° / 39°0.04Light rain
62 °Light rain

Roy, Thursday, 22 October

Light rain. High 62°, low 39°.

Pressure29.62 inHg
Wind23.6 mph SW
Humidity63%
Visibility—
Dew point38°
Fri, 2340° / 29°0Clear
40 °Clear

Roy, Friday, 23 October

Clear. High 40°, low 29°.

Pressure30.18 inHg
Wind9.8 mph NW
Humidity41%
Visibility—
Dew point17°
From day 17 onward the outlook is built from 60-year climate statistics
Sat, 2457° / 38°0.07Climate normal
57 °Climate normal

Roy, Saturday, 24 October

Climate normal for this date — 60-year average.

Average high57°
Average low38°
Average precipitation0.07 in
Chance of precipitation37%
Record high73° (1992)
Record low24° (1975)
Sun, 2556° / 38°0.05Climate normal
56 °Climate normal

Roy, Sunday, 25 October

Climate normal for this date — 60-year average.

Average high56°
Average low38°
Average precipitation0.05 in
Chance of precipitation25%
Record high73° (2014)
Record low18° (2020)
Mon, 2655° / 37°0.07Climate normal
55 °Climate normal

Roy, Monday, 26 October

Climate normal for this date — 60-year average.

Average high55°
Average low37°
Average precipitation0.07 in
Chance of precipitation30%
Record high71° (1999)
Record low15° (2020)
Tue, 2755° / 36°0.02Climate normal
55 °Climate normal

Roy, Tuesday, 27 October

Climate normal for this date — 60-year average.

Average high55°
Average low36°
Average precipitation0.02 in
Chance of precipitation15%
Record high73° (1990)
Record low11° (1970)
Wed, 2854° / 36°0.05Climate normal
54 °Climate normal

Roy, Wednesday, 28 October

Climate normal for this date — 60-year average.

Average high54°
Average low36°
Average precipitation0.05 in
Chance of precipitation30%
Record high71° (1990)
Record low9° (1970)
Thu, 2952° / 36°0.07Climate normal
52 °Climate normal

Roy, Thursday, 29 October

Climate normal for this date — 60-year average.

Average high52°
Average low36°
Average precipitation0.07 in
Chance of precipitation33%
Record high71° (1962)
Record low12° (2019)
Fri, 3051° / 34°0.06Climate normal
51 °Climate normal

Roy, Friday, 30 October

Climate normal for this date — 60-year average.

Average high51°
Average low34°
Average precipitation0.06 in
Chance of precipitation28%
Record high71° (1962)
Record low8° (2019)
Sat, 3151° / 35°0.04Climate normal
51 °Climate normal

Roy, Saturday, 31 October

Climate normal for this date — 60-year average.

Average high51°
Average low35°
Average precipitation0.04 in
Chance of precipitation23%
Record high69° (1965)
Record low20° (2002)
Sun, 0151° / 34°0.03Climate normal
51 °Climate normal

Roy, Sunday, 1 November

Climate normal for this date — 60-year average.

Average high51°
Average low34°
Average precipitation0.03 in
Chance of precipitation22%
Record high69° (1965)
Record low14° (1971)
Mon, 0251° / 34°0.04Climate normal
51 °Climate normal

Roy, Monday, 2 November

Climate normal for this date — 60-year average.

Average high51°
Average low34°
Average precipitation0.04 in
Chance of precipitation20%
Record high68° (2020)
Record low8° (1991)
Tue, 0351° / 33°0.04Climate normal
51 °Climate normal

Roy, Tuesday, 3 November

Climate normal for this date — 60-year average.

Average high51°
Average low33°
Average precipitation0.04 in
Chance of precipitation13%
Record high69° (2020)
Record low-3° (1991)
Wed, 0451° / 34°0.04Climate normal
51 °Climate normal

Roy, Wednesday, 4 November

Climate normal for this date — 60-year average.

Average high51°
Average low34°
Average precipitation0.04 in
Chance of precipitation27%
Record high66° (2020)
Record low21° (1991)
Thu, 0551° / 34°0.05Climate normal
51 °Climate normal

Roy, Thursday, 5 November

Climate normal for this date — 60-year average.

Average high51°
Average low34°
Average precipitation0.05 in
Chance of precipitation27%
Record high69° (2020)
Record low18° (1961)
Fri, 0651° / 35°0.05Climate normal
51 °Climate normal

Roy, Friday, 6 November

Climate normal for this date — 60-year average.

Average high51°
Average low35°
Average precipitation0.05 in
Chance of precipitation27%
Record high69° (1999)
Record low13° (1961)

About the monthly outlook

How accurate is a 30-day forecast?

The first 16 days come from weather models — reliable for the first 3–5 days and progressively less so after that. Days 17 through 30 for Roy, ID are built from the climate normal, the 60-year average, so they show typical weather for those dates rather than a specific forecast.

What does "above normal" mean?

We compare the forecast against the climate normal for those exact calendar days, computed from 60 years of observations. The deviation shows how much the coming month differs from a typical one.

Where do the 66-year records come from?

They are real temperature extremes recorded in Roy, ID since 1960: the highest and lowest reading for each calendar date, with the year it happened.

How often is it updated?

The forecast portion refreshes every hour; the climate portion is based on long-term data and stays stable.