Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 6

Waning Gibbous 85%

01:00

07:33

00 OK
01 OK
02 OK
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 OK
18 OK
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 06:41, Set: 20:10, Transit: 13:25. Moon - Rise: 01:00, Set: 07:33. Civil Dark: 20:47 - 06:04. Nautical Dark: 21:33 - 05:18. Astro Dark: 22:24 - 04:27

Total Clouds (% Sky Obscured)

19
38
39
63
89
69
79
100
100
100
100
96
100
100
100
90
62
38
31
72
65
64
87
62

Low Clouds (% Sky Obscured)

2
0
0
5
2
14
48
36
49
54
69
71
81
41
31
31
35
29
21
18
11
0
1
3

Medium Clouds (% Sky Obscured)

19
38
39
63
89
69
73
61
82
77
53
44
78
87
48
40
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

19
12
39
57
56
51
33
100
100
100
100
81
100
100
100
83
59
6
6
34
42
55
75
41

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
1
0
9
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

4
3
3
3
3
4
4
4
5
8
11
14
15
16
17
16
16
16
15
13
11
9
9
9

Chance of Frost

Temperature (°C)

3
2
2
2
2
2
3
3
4
7
8
9
10
10
10
11
11
10
10
9
8
8
7
7

Feels Like (°C)

1
-1
-1
-1
-1
-1
-1
0
1
3
4
5
5
4
5
6
6
6
8
7
7
6
5
5

Dew Point (°C)

-1
-1
-1
-1
-2
-1
0
1
3
4
4
4
5
5
6
6
6
6
6
6
7
7
7
6

Relative Humidity (%)

80
80
79
77
74
77
82
86
88
84
74
70
73
73
73
72
73
74
77
81
91
93
94
94

Pressure (mb)

1021
1021
1021
1021
1021
1021
1021
1020
1020
1020
1020
1020
1020
1020
1020
1019
1019
1019
1019
1019
1019
1019
1019
1019

Ozone (du)

383
381
378
376
376
374
374
375
375
374
373
371
371
372
374
373
374
373
370
370
371
370
368
369

Tuesday 7

Waning Gibbous 77%

02:13

08:04

00 Bad
01 Bad
02 Good
03 OK
04 OK
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 06:39, Set: 20:12, Transit: 13:25. Moon - Rise: 02:13, Set: 08:04. Civil Dark: 20:49 - 06:01. Nautical Dark: 21:35 - 05:15. Astro Dark: 22:27 - 04:23

Total Clouds (% Sky Obscured)

45
63
2
23
25
51
76
80
90
79
100
89
81
97
100
100
100
100
100
100
100
100
100
94

Low Clouds (% Sky Obscured)

15
7
0
0
8
27
30
28
25
32
35
37
33
15
18
6
0
0
0
0
49
42
38
42

Medium Clouds (% Sky Obscured)

0
0
0
15
16
25
54
72
83
44
24
59
49
93
99
92
97
96
96
59
73
74
89
37

High Clouds (% Sky Obscured)

18
38
2
0
2
5
13
10
12
54
100
75
72
66
95
98
100
100
90
100
90
99
82
71

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
7
5
0
1
14
2
0
0
0
1
4
4
16
1
2
2
9
20
37
38
25

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

9
9
9
9
9
10
11
11
12
14
14
14
14
14
13
11
11
9
7
6
4
4
3
2

Chance of Frost

Temperature (°C)

7
8
8
8
7
7
7
7
8
9
10
11
12
13
13
13
13
13
12
12
12
11
10
11

Feels Like (°C)

5
6
6
6
6
5
5
4
3
5
6
6
8
8
9
9
9
10
10
11
10
9
9
9

Dew Point (°C)

7
7
6
7
7
7
6
6
6
7
7
7
7
8
9
8
9
9
9
10
10
9
9
9

Relative Humidity (%)

94
93
91
93
96
96
94
94
90
87
82
77
73
74
74
74
77
77
81
86
90
90
88
90

Pressure (mb)

1019
1019
1019
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1019
1019
1020
1020

Ozone (du)

368
367
367
366
366
364
362
364
367
367
367
365
364
363
365
364
361
360
362
363
362
362
362
363

Wednesday 8

Waning Gibbous 69%

03:14

08:49

00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 06:36, Set: 20:14, Transit: 13:25. Moon - Rise: 03:14, Set: 08:49. Civil Dark: 20:51 - 05:59. Nautical Dark: 21:38 - 05:12. Astro Dark: 22:30 - 04:20

Total Clouds (% Sky Obscured)

95
94
100
100
94
91
92
100
85
82
71
100
98
100
100
100
100
100
94
96
98
100
98
96

Low Clouds (% Sky Obscured)

66
73
90
90
73
77
78
97
84
78
68
36
51
49
27
10
35
88
84
85
90
95
92
88

Medium Clouds (% Sky Obscured)

49
94
98
96
94
77
80
9
8
7
3
2
2
20
0
55
54
60
41
74
61
41
55
73

High Clouds (% Sky Obscured)

66
3
40
45
40
34
33
3
3
0
0
65
67
99
100
100
98
100
69
59
46
35
30
25

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
32
9
13
0
0
1
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

7
7
10
0
0
0
4
0
0
0
0
0
0
9
11
16
6
2
10
2
2
1
2
4

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

2
2
2
5
6
5
5
4
4
4
6
8
7
8
10
11
11
10
9
9
9
9
10
10

Chance of Frost

Temperature (°C)

10
10
10
10
10
10
9
8
8
9
10
11
12
13
13
14
13
13
12
12
11
10
10
10

Feels Like (°C)

9
9
9
9
9
8
7
8
9
8
10
11
13
13
12
12
11
11
11
10
9
8
7
7

Dew Point (°C)

9
9
9
9
10
9
8
8
7
8
7
7
8
9
9
11
11
11
10
10
10
9
9
9

Relative Humidity (%)

90
90
91
93
95
96
96
96
93
90
83
77
76
75
77
83
84
87
87
87
93
93
93
93

Pressure (mb)

1020
1020
1020
1021
1021
1021
1021
1021
1022
1022
1022
1023
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022

Ozone (du)

365
365
366
367
370
374
379
386
384
382
382
382
381
379
377
377
375
373
373
372
373
372
373
374

Thursday 9

Waning Gibbous 59%

03:59

09:51

00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 06:34, Set: 20:16, Transit: 13:25. Moon - Rise: 03:59, Set: 09:51. Civil Dark: 20:53 - 05:56. Nautical Dark: 21:40 - 05:09. Astro Dark: 22:33 - 04:16

Total Clouds (% Sky Obscured)

95
81
73
65
64
61
66
71
75
76
69
62
58
61
64
68
71
72
75
85
93
99
99
100

Low Clouds (% Sky Obscured)

85
70
59
45
49
51
51
47
46
36
34
34
40
26
34
36
32
12
4
7
18
18
12
8

Medium Clouds (% Sky Obscured)

75
55
34
20
20
20
20
24
20
26
20
12
0
6
12
19
38
59
75
85
93
99
99
100

High Clouds (% Sky Obscured)

25
25
30
25
25
30
40
40
40
40
40
45
55
51
51
57
62
49
40
34
42
56
71
85

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

3
6
9
2
6
5
1
0
0
0
3
4
2
5
4
1
6
2
11
2
1
1
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

10
10
11
11
11
11
12
12
14
15
17
17
17
17
16
16
15
13
10
9
6
3
3
3

Chance of Frost

Temperature (°C)

10
10
9
8
8
7
7
6
7
8
9
9
10
10
10
11
11
11
10
9
8
7
7
7

Feels Like (°C)

7
6
6
6
5
4
3
4
4
4
4
4
5
6
6
6
7
7
7
6
6
5
5
5

Dew Point (°C)

8
8
7
7
7
6
6
6
6
5
5
4
4
4
3
4
4
5
5
5
5
4
3
3

Relative Humidity (%)

91
88
88
90
93
94
96
96
94
84
75
69
66
62
61
62
63
69
73
77
79
79
78
76

Pressure (mb)

1022
1022
1022
1022
1022
1022
1023
1023
1023
1024
1025
1025
1025
1025
1025
1025
1026
1025
1025
1025
1025
1025
1024
1023

Ozone (du)

375
375
375
378
378
375
373
372
370
370
371
370
368
367
366
363
361
357
355
353
351
350
349
348

Friday 10

Third Quarter 49%

04:30

11:05

00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 06:31, Set: 20:17, Transit: 13:24. Moon - Rise: 04:30, Set: 11:05. Civil Dark: 20:55 - 05:54. Nautical Dark: 21:42 - 05:06. Astro Dark: 22:36 - 04:13

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
96
92
89
89
90
90
82
59
46
46
57
63
63
68

Low Clouds (% Sky Obscured)

2
11
13
15
31
46
98
100
100
100
96
91
87
81
73
64
57
51
46
46
54
58
59
59

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
90
95
90
91
86
82
78
73
66
46
26
5
22
40
57
63
68

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
78
53
30
25
25
30
30
25
25
24
18
11
12
16
20
29
28

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
7
5
4
6
8
9
9
9
9
7
4
2
1

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None

Precipitation Probability (%)

1
11
10
6
27
40
57
95
95
95
95
95
80
94
77
76
69
62
58
51
41
33
43
39

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.7
1.3
1.5
1
0.8
0.4
0.6
0.4
0.6
0.4
0.3
0.3
0
0
0
0
0

Wind Speed/Direction (mph)

4
5
7
8
10
11
12
13
14
14
14
13
14
15
15
16
17
15
14
14
15
14
14
14

Chance of Frost

Temperature (°C)

7
7
7
7
7
7
7
7
8
8
8
8
9
9
9
9
9
8
8
7
6
6
5
5

Feels Like (°C)

4
4
5
5
5
5
4
5
5
5
4
5
5
6
6
6
5
5
5
5
5
5
5
5

Dew Point (°C)

3
4
5
5
5
5
6
6
4
3
5
6
8
8
8
8
8
8
7
7
6
5
4
5

Relative Humidity (%)

78
84
85
87
87
88
91
90
77
71
81
87
91
93
95
93
95
95
96
94
96
98
96
98

Pressure (mb)

1023
1021
1020
1018
1017
1015
1014
1013
1011
1010
1009
1009
1009
1008
1008
1008
1008
1008
1008
1008
1008
1009
1009
1008

Ozone (du)

346
346
345
344
342
342
343
342
342
340
340
339
338
339
339
340
340
341
343
344
345
346
347
349

Saturday 11

Waning Crescent 39%

04:51

12:25

00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 06:29, Set: 20:19, Transit: 13:24. Moon - Rise: 04:51, Set: 12:25. Civil Dark: 20:57 - 05:51. Nautical Dark: 21:45 - 05:04. Astro Dark: 22:39 - 04:09

Total Clouds (% Sky Obscured)

70
69
67
66
68
73
77
76
82
81
88
90
92
89
87
87
86
84
84
88
94
100
89
79

Low Clouds (% Sky Obscured)

59
58
59
60
62
70
73
74
76
73
72
66
57
43
38
36
43
50
58
58
59
55
48
40

Medium Clouds (% Sky Obscured)

70
69
67
66
68
73
77
76
82
80
84
89
92
89
87
87
75
67
62
60
64
72
54
31

High Clouds (% Sky Obscured)

32
33
34
29
30
25
10
0
0
10
10
10
35
45
45
45
40
25
10
5
5
10
10
15

ISS Passover

Visibility (miles)

1
0
0
0
0
0
0
1
1
2
3
2
1
0
3
5
7
8
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

39
55
53
26
46
61
75
86
78
69
95
95
95
95
95
95
79
53
36
32
27
26
27
28

Precipitation Amount (mm)

0
0
0
0
0
0.2
0.3
0.6
0.4
0.3
0.8
1.1
1.5
1.2
1
0.7
0.4
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

14
15
14
15
15
14
14
14
16
17
19
19
18
18
17
17
17
16
16
15
15
15
14
13

Chance of Frost

Temperature (°C)

6
6
6
6
7
7
6
6
6
6
5
5
5
5
5
5
6
6
6
6
6
5
4
4

Feels Like (°C)

5
4
3
3
3
3
3
4
5
5
6
5
5
5
0
1
1
1
0
1
3
3
3
3

Dew Point (°C)

5
5
6
6
6
6
6
6
6
5
5
5
5
5
4
5
5
5
4
3
3
3
2
2

Relative Humidity (%)

98
98
100
98
98
98
98
100
98
98
96
96
98
100
96
94
94
90
86
82
85
86
88
89

Pressure (mb)

1008
1007
1007
1006
1005
1005
1004
1004
1004
1005
1005
1005
1006
1006
1006
1006
1006
1007
1007
1007
1007
1008
1008
1009

Ozone (du)

352
354
356
357
359
359
359
359
359
358
358
361
365
368
370
371
373
372
372
371
372
373
374
376

Sunday 12

Waning Crescent 30%

05:05

13:48

Sun - Rise: 06:26, Set: 20:21, Transit: 13:24. Moon - Rise: 05:05, Set: 13:48. Civil Dark: 20:59 - 05:48. Nautical Dark: 21:47 - 05:01. Astro Dark: 22:42 - 04:05

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

Forecast for Cathedral's Quarter, Belfast, United Kingdom (54.60,-5.93)

Generated: 06/04/26 00:34:39. Forecast: 06/04/26 to 12/04/26. Timezone: UTC+1.00