Roy (Luxembourg) — Weather
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8°C47°F· Clear · 0% cloud cover
Feels like 7°C44°F · Low 8°C47°F · High 20°C67°F
Wind
3 km/h1 m/s2 mph from SE
Humidity
83%
Pressure
1024 hPa30.24 inHgstable
UV Index
0.0Low
Fair weather
Roy, 8°C46°F — clear skies right now.
🌡️ Today's 20°C68°F is 3.2°C36°F warmer than the July norm (16°C61°F).
🌡️ Warming front around 12:00; temperatures rise ~9°C48°F.
Hourly forecast
Detailed forecast for the next 60 hours
TemperaturePrecipitationWind
CAPE (J/kg)Instability Threshold
Now
8°C47°F
32
83
07:00
9°C49°F
11
83
08:00
11°C52°F
11
77
09:00
13°C56°F
85
71
10:00
15°C58°F
106
66
11:00
16°C60°F
127
56
12:00
17°C62°F
159
50
13:00
17°C63°F
149
51
14:00
19°C65°F
1610
44
15:00
20°C67°F
1710
41
16:00
19°C67°F
148
41
17:00
20°C67°F
117
38
18:00
20°C67°F
106
40
19:00
19°C67°F
117
41
20:00
19°C65°F
85
44
21:00
17°C63°F
64
52
22:00
15°C60°F
53
58
23:00
14°C58°F
43
66
00:00
13°C56°F
63
71
01:00
13°C55°F
53
76
02:00
12°C53°F
53
83
03:00
11°C52°F
43
88
04:00
11°C51°F
42
90
05:00
10°C50°F
42
91
06:00
10°C49°F
32
93
07:00
10°C51°F
32
92
08:00
13°C55°F
32
83
09:00
14°C57°F
74
76
10:00
16°C60°F
96
70
11:00
17°C63°F
127
62
12:00
18°C65°F
128
56
13:00
19°C66°F
148
53
14:00
20°C68°F
138
49
15:00
21°C69°F
138
45
16:00
21°C70°F
149
40
17:00
21°C70°F
127
37
18:00
21°C70°F
159
36
19:00
21°C69°F
138
38
20:00
20°C68°F
85
41
21:00
18°C65°F
53
46
22:00
16°C61°F
53
53
23:00
15°C59°F
64
55
00:00
14°C58°F
64
70
03:00
12°C53°F
21
85
06:00
10°C51°F
21
94
09:00
14°C57°F
64
85
12:00
16°C61°F
85
74
15:00
19°C66°F
1711
57
18:00
17°C62°F
138
71
mminkm/hm/smphHumidity %
Daily Forecast
TodayN 17 km/h5 m/s10 mph(gusts 361022)56%UV 38hTodayOvercast56%N 17 km/h5 m/s10 mph (gusts 361022)UV 38h
Today
N 17 km/h5 m/s10 mph(gusts 361022)56%UV 38h
Today
Overcast
56%
N 17 km/h5 m/s10 mph (gusts 361022)
UV 3
8h
Today — Hourly Forecast
Now
8°C47°F
312
07:00
9°C49°F
101
08:00
11°C52°F
101
09:00
13°C56°F
825
10:00
15°C58°F
1036
11:00
16°C60°F
1237
12:00
17°C62°F
1549
13:00
17°C63°F
1449
14:00
19°C65°F
16410
15:00
20°C67°F
17510
16:00
19°C67°F
1448
17:00
20°C67°F
1137
18:00
20°C67°F
1036
19:00
19°C67°F
1137
20:00
19°C65°F
825
21:00
17°C63°F
624
22:00
15°C60°F
513
23:00
14°C58°F
413
05:5115.8h21:38
TomorrowN 15 km/h4 m/s9 mph(gusts 33920)64%UV 213hTomorrowPartly cloudy64%N 15 km/h4 m/s9 mph (gusts 33920)UV 213h
Tomorrow
N 15 km/h4 m/s9 mph(gusts 33920)64%UV 213h
Tomorrow
Partly cloudy
64%
N 15 km/h4 m/s9 mph (gusts 33920)
UV 2
13h
Tomorrow — Hourly Forecast
00:00
13°C56°F
623
01:00
13°C55°F
523
02:00
12°C53°F
513
03:00
11°C52°F
413
04:00
11°C51°F
412
05:00
10°C50°F
412
06:00
10°C49°F
312
07:00
10°C51°F
312
08:00
13°C55°F
312
09:00
14°C57°F
724
10:00
16°C60°F
936
11:00
17°C63°F
1237
12:00
18°C65°F
1238
13:00
19°C66°F
1448
14:00
20°C68°F
1348
15:00
21°C69°F
1348
16:00
21°C70°F
1449
17:00
21°C70°F
1237
18:00
21°C70°F
1549
19:00
21°C69°F
1348
20:00
20°C68°F
825
21:00
18°C65°F
513
22:00
16°C61°F
513
23:00
15°C59°F
624
05:5215.7h21:37
WednesdayNW 17 km/h5 m/s11 mph(gusts 421226)76%UV 26hWednesdayDrizzle76%NW 17 km/h5 m/s11 mph (gusts 421226)UV 26h
Wednesday
NW 17 km/h5 m/s11 mph(gusts 421226)76%UV 26h
Wednesday
Drizzle
76%
NW 17 km/h5 m/s11 mph (gusts 421226)
UV 2
6h
Wednesday — Forecast Overview
00:00
14°C58°F
624
03:00
12°C53°F
211
06:00
10°C51°F
211
09:00
14°C57°F
624
12:00
16°C61°F
825
15:00
19°C66°F
17511
18:00
17°C62°F
1338
21:00
16°C61°F
1137
05:5315.7h21:35
ThursdayN 15 km/h4 m/s9 mph(gusts 371023)64%UV 29hThursdayDrizzle64%N 15 km/h4 m/s9 mph (gusts 371023)UV 29h
Thursday
N 15 km/h4 m/s9 mph(gusts 371023)64%UV 29h
Thursday
Drizzle
64%
N 15 km/h4 m/s9 mph (gusts 371023)
UV 2
9h
Thursday — Forecast Overview
00:00
14°C57°F
825
03:00
12°C54°F
513
06:00
12°C53°F
312
09:00
14°C57°F
1238
12:00
19°C67°F
1348
15:00
22°C72°F
1449
18:00
23°C73°F
1549
21:00
17°C63°F
624
05:5515.7h21:34
FridayNE 10 km/h3 m/s6 mph(gusts 27817)59%UV 212hFridayOvercast59%NE 10 km/h3 m/s6 mph (gusts 27817)UV 212h
Friday
NE 10 km/h3 m/s6 mph(gusts 27817)59%UV 212h
Friday
Overcast
59%
NE 10 km/h3 m/s6 mph (gusts 27817)
UV 2
12h
Friday — Forecast Overview
00:00
11°C52°F
312
03:00
10°C50°F
412
06:00
9°C48°F
211
09:00
17°C63°F
211
12:00
24°C75°F
523
15:00
26°C78°F
624
18:00
26°C78°F
825
23:00
17°C62°F
412
05:5615.6h21:33
SaturdayW 10 km/h3 m/s6 mph(gusts 27817)52%UV 210hSaturdayClear52%W 10 km/h3 m/s6 mph (gusts 27817)UV 210h
Saturday
W 10 km/h3 m/s6 mph(gusts 27817)52%UV 210h
Saturday
Clear
52%
W 10 km/h3 m/s6 mph (gusts 27817)
UV 2
10h
Night14°C58°F
14°C58°FMorning23°C73°F
23°C73°FAfternoon23°C73°F
23°C73°FEvening25°C76°F
25°C76°F05:5715.6h21:32
SundaySW 17 km/h5 m/s11 mph(gusts 451328)75%UV 22hSundayOvercast75%SW 17 km/h5 m/s11 mph (gusts 451328)UV 22h
Sunday
SW 17 km/h5 m/s11 mph(gusts 451328)75%UV 22h
Sunday
Overcast
75%
SW 17 km/h5 m/s11 mph (gusts 451328)
UV 2
2h
Night17°C63°F
17°C63°FMorning18°C65°F
18°C65°FAfternoon18°C65°F
18°C65°FEvening18°C65°F
18°C65°F05:5915.5h21:30
MondayW 26 km/h7 m/s16 mph(gusts 401125)69%UV 27hMondayOvercast69%W 26 km/h7 m/s16 mph (gusts 401125)UV 27h
Monday
W 26 km/h7 m/s16 mph(gusts 401125)69%UV 27h
Monday
Overcast
69%
W 26 km/h7 m/s16 mph (gusts 401125)
UV 2
7h
Night16°C62°F
16°C62°FMorning19°C65°F
19°C65°FAfternoon19°C65°F
19°C65°FEvening17°C63°F
17°C63°F06:0015.5h21:29
Extended Forecast (GFS)TuesdayNW 14 km/h4 m/s9 mph(gusts 22614)67%15hTuesdayClear67%NW 14 km/h4 m/s9 mph (gusts 22614)15h
Tuesday
NW 14 km/h4 m/s9 mph(gusts 22614)67%15h
Tuesday
Clear
67%
NW 14 km/h4 m/s9 mph (gusts 22614)
15h
Night8°C46°F
8°C46°FMorning17°C63°F
17°C63°FAfternoon17°C63°F
17°C63°FEvening19°C66°F
19°C66°F06:0115.4h21:28
Wednesday0.8 mm0.03 inNW 13 km/h4 m/s8 mph71%12hWednesdayDrizzle71%NW 13 km/h4 m/s8 mph0.8 mm0.03 in12h
Wednesday
0.8 mm0.03 inNW 13 km/h4 m/s8 mph71%12h
Wednesday
Drizzle
71%
NW 13 km/h4 m/s8 mph
0.8 mm0.03 in
12h
Night13°C55°F
13°C55°FMorning17°C62°F
17°C62°FAfternoon17°C62°F
17°C62°FEvening15°C60°F
15°C60°F06:0315.4h21:26
ThursdayW 18 km/h5 m/s11 mph67%15hThursdayClear67%W 18 km/h5 m/s11 mph15h
Thursday
W 18 km/h5 m/s11 mph67%15h
Thursday
Clear
67%
W 18 km/h5 m/s11 mph
15h
Night9°C48°F
9°C48°FMorning17°C63°F
17°C63°FAfternoon17°C63°F
17°C63°FEvening18°C64°F
18°C64°F06:0415.3h21:25
FridayNW 13 km/h4 m/s8 mph(gusts 21613)55%15hFridayClear55%NW 13 km/h4 m/s8 mph (gusts 21613)15h
Friday
NW 13 km/h4 m/s8 mph(gusts 21613)55%15h
Friday
Clear
55%
NW 13 km/h4 m/s8 mph (gusts 21613)
15h
Night11°C52°F
11°C52°FMorning21°C70°F
21°C70°FAfternoon21°C70°F
21°C70°FEvening23°C73°F
23°C73°F06:0515.3h21:23
SaturdayNE 7 km/h2 m/s4 mph55%15hSaturdayClear55%NE 7 km/h2 m/s4 mph15h
Saturday
NE 7 km/h2 m/s4 mph55%15h
Saturday
Clear
55%
NE 7 km/h2 m/s4 mph
15h
Night13°C55°F
13°C55°FMorning23°C74°F
23°C74°FAfternoon23°C74°F
23°C74°FEvening25°C77°F
25°C77°F06:0715.2h21:22
SundayS 12 km/h3 m/s7 mph44%15hSundayClear44%S 12 km/h3 m/s7 mph15h
Sunday
S 12 km/h3 m/s7 mph44%15h
Sunday
Clear
44%
S 12 km/h3 m/s7 mph
15h
Night15°C58°F
15°C58°FMorning27°C80°F
27°C80°FAfternoon27°C80°F
27°C80°FEvening28°C82°F
28°C82°F06:0815.2h21:20
MondaySW 20 km/h6 m/s13 mph35%15hMondayClear35%SW 20 km/h6 m/s13 mph15h
Monday
SW 20 km/h6 m/s13 mph35%15h
Monday
Clear
35%
SW 20 km/h6 m/s13 mph
15h
Night20°C67°F
20°C67°FMorning28°C82°F
28°C82°FAfternoon28°C82°F
28°C82°FEvening27°C80°F
27°C80°F06:1015.1h21:18
TuesdaySW 23 km/h6 m/s14 mph(gusts 351022)48%15hTuesdayClear48%SW 23 km/h6 m/s14 mph (gusts 351022)15h
Tuesday
SW 23 km/h6 m/s14 mph(gusts 351022)48%15h
Tuesday
Clear
48%
SW 23 km/h6 m/s14 mph (gusts 351022)
15h
Night16°C61°F
16°C61°FMorning28°C83°F
28°C83°FAfternoon28°C83°F
28°C83°FEvening24°C76°F
24°C76°F06:1115.1h21:17
Sunrise
05:50
Civil Dawn 05:20
Sunset
21:38
Civil Dusk 22:08
Today vs. seasonal normal
-2.1°C-3.8°F
Roy is located in Wallonia, Belgium. Elevation: 373m. Annual average temperature: 9°C. Annual precipitation: 893mm.
Frequently Asked Questions
What is the weather like in Roy today?
Today in Roy, Belgium, the temperature is 8°C with Clear. The high is 20°C and the low is 8°C.
What is the 16-day forecast for Roy?
The 16-day forecast for Roy shows the warmest day is Tuesday at 32°C, while the coolest night is Tuesday at 7°C. 3 day(s) have precipitation expected.
What time is sunrise and sunset in Roy?
In Roy, sunrise is at 05:50 and sunset is at 21:38. Day length is approximately 15h 47m.
How accurate is the weather forecast for Roy?
Our forecasts for Roy use the DWD ICON model, one of the world's most advanced weather prediction systems. Accuracy is typically 85-90% for 1-3 day forecasts. Roy has an annual average temperature of 9°C and receives 893mm of precipitation per year.
Last updated: 07/20/2026, 06:00 AM
July climate in Roy
Normals for July: average 17°C (12–22°C), around 80 mm of rain across the month. About 8°C warmer than the annual average of 9°C.
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Clear
Verdenne9°
Clear
Marenne9°
Clear
Hollogne9°
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Chavanne9°
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