Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 1

Waxing Gibbous 97%

13:25

07:18

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: 08:45, Set: 16:10, Transit: 12:28. Moon - Rise: 13:25, Set: 07:18. Civil Dark: 16:54 - 08:01. Nautical Dark: 17:40 - 07:15. Astro Dark: 18:24 - 06:31

Total Clouds (% Sky Obscured)

97
89
84
99
98
100
100
100
100
100
100
96
80
81
53
85
86
85
80
69
72
98
90
58

Low Clouds (% Sky Obscured)

88
78
84
91
77
74
58
37
28
33
51
65
68
71
53
60
71
67
35
55
58
73
71
39

Medium Clouds (% Sky Obscured)

20
2
40
41
32
0
0
0
0
0
0
13
3
0
0
29
22
34
31
32
22
39
32
20

High Clouds (% Sky Obscured)

58
33
38
95
74
100
100
100
100
100
100
91
54
57
13
56
28
22
60
7
7
0
0
0

ISS Passover

Visibility (miles)

9
9
9
3
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
1
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
Very Light Rain
None
None

Precipitation Probability (%)

7
11
34
21
11
3
2
3
5
5
5
13
14
8
13
6
13
18
21
25
38
54
35
38

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0

Wind Speed/Direction (mph)

15
16
14
16
13
12
11
12
12
12
12
13
15
16
16
15
13
14
14
14
14
14
14
13

Chance of Frost

Temperature (°C)

3
4
4
4
4
4
4
4
4
3
4
4
5
5
5
5
5
5
4
4
4
4
4
4

Feels Like (°C)

-3
-2
-1
-2
-1
-1
-1
-2
-2
-2
-2
-2
-2
-1
-1
0
-0
-0
-2
-2
-2
-2
-2
-1

Dew Point (°C)

2
2
2
2
1
-1
-1
-1
-0
-0
0
-0
1
1
1
1
0
1
1
1
1
2
3
2

Relative Humidity (%)

89
88
85
83
79
71
71
72
75
77
77
73
76
72
75
71
71
76
80
82
83
86
96
85

Pressure (mb)

1018
1017
1016
1015
1015
1014
1014
1014
1014
1015
1015
1014
1014
1013
1013
1012
1012
1012
1012
1011
1011
1011
1010
1010

Ozone (du)

293
296
300
307
310
315
344
365
360
364
362
358
353
346
341
343
347
351
347
345
343
343
344
344

Friday 2

Waxing Gibbous 100%

14:25

08:37

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

Sun - Rise: 08:45, Set: 16:11, Transit: 12:28. Moon - Rise: 14:25, Set: 08:37. Civil Dark: 16:55 - 08:01. Nautical Dark: 17:41 - 07:15. Astro Dark: 18:25 - 06:31

Total Clouds (% Sky Obscured)

100
100
100
72
70
50
41
29
6
21
7
0
0
4
8
10
26
0
0
0
15
48
83
51

Low Clouds (% Sky Obscured)

98
100
94
68
59
45
35
29
3
17
6
0
0
4
7
10
26
0
0
0
15
40
70
31

Medium Clouds (% Sky Obscured)

47
45
45
0
8
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
11
14
9

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

9
0
9
6
7
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
6

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
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

61
95
95
37
19
13
9
10
8
6
4
3
2
4
5
6
19
13
23
11
11
21
24
17

Precipitation Amount (mm)

0
1.8
1
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)

13
12
13
9
7
10
11
10
10
10
11
12
14
16
16
16
13
12
12
11
11
9
9
10

Chance of Frost

Temperature (°C)

3
3
4
2
2
2
2
1
1
1
1
2
3
4
4
3
3
2
2
2
1
1
1
1

Feels Like (°C)

-1
-1
-2
-3
-3
-4
-3
-4
-2
-2
-3
-2
-1
-1
-1
-1
-2
-4
-4
-4
-5
-5
-4
-3

Dew Point (°C)

3
3
2
1
-1
-2
-2
-2
-2
-2
-3
-3
-3
-2
-2
-3
-2
-2
-3
-3
-3
-2
-1
0

Relative Humidity (%)

94
96
86
91
86
80
77
77
81
80
74
69
63
66
64
65
72
74
74
73
74
81
89
91

Pressure (mb)

1010
1009
1010
1010
1010
1010
1011
1011
1012
1012
1013
1013
1013
1013
1014
1014
1014
1015
1015
1016
1016
1017
1017
1017

Ozone (du)

344
346
349
355
361
364
365
360
357
354
348
331
320
309
300
286
278
280
287
293
297
303
310
322

Saturday 3

Full Moon 100%

15:49

09:30

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

Sun - Rise: 08:45, Set: 16:12, Transit: 12:29. Moon - Rise: 15:49, Set: 09:30. Civil Dark: 16:56 - 08:01. Nautical Dark: 17:43 - 07:15. Astro Dark: 18:26 - 06:31

Total Clouds (% Sky Obscured)

47
42
53
55
52
31
32
0
0
0
0
0
6
0
23
1
1
2
14
40
45
60
72
85

Low Clouds (% Sky Obscured)

41
39
46
41
45
31
32
0
0
0
0
0
0
0
23
0
0
0
1
5
5
15
25
36

Medium Clouds (% Sky Obscured)

0
0
4
5
3
1
0
0
0
0
0
0
4
0
0
0
0
0
7
14
21
36
48
60

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
3
2
2

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
7
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 (%)

13
13
12
14
16
9
6
5
2
2
1
1
2
2
2
3
1
1
3
5
7
6
4
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)

10
10
8
8
7
8
8
8
8
8
8
9
10
11
10
9
8
7
7
7
6
5
5
5

Chance of Frost

Temperature (°C)

1
1
1
1
1
1
1
1
0
0
1
2
2
3
3
2
2
1
1
1
0
-1
-1
-1

Feels Like (°C)

-4
-5
-5
-5
-5
-6
-6
-5
-4
-5
-4
-3
-3
-2
-2
-1
-1
-1
-3
-3
-4
-4
-4
-4

Dew Point (°C)

-2
-2
-3
-4
-4
-5
-6
-6
-6
-6
-6
-6
-6
-5
-4
-4
-4
-4
-4
-2
-1
-2
-4
-4

Relative Humidity (%)

78
78
74
73
69
69
62
60
61
64
61
56
57
59
61
62
66
70
70
86
94
92
80
75

Pressure (mb)

1017
1017
1017
1017
1017
1017
1018
1018
1019
1019
1019
1020
1020
1020
1020
1021
1021
1021
1022
1022
1022
1023
1023
1023

Ozone (du)

330
335
339
341
340
333
336
334
332
330
327
325
323
320
325
331
332
323
316
311
309
312
316
321

Sunday 4

Waning Gibbous 99%

17:25

10:03

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 OK

Sun - Rise: 08:44, Set: 16:14, Transit: 12:29. Moon - Rise: 17:25, Set: 10:03. Civil Dark: 16:57 - 08:01. Nautical Dark: 17:44 - 07:14. Astro Dark: 18:27 - 06:31

Total Clouds (% Sky Obscured)

90
72
69
86
79
65
66
64
61
47
53
52
55
53
42
55
43
36
47
57
60
59
52
32

Low Clouds (% Sky Obscured)

38
31
31
35
40
38
47
54
61
45
32
24
26
41
36
34
43
36
39
42
47
44
44
30

Medium Clouds (% Sky Obscured)

67
72
69
61
49
37
25
12
0
1
25
35
32
22
6
55
20
5
47
57
8
43
6
0

High Clouds (% Sky Obscured)

2
3
1
1
1
0
0
0
0
0
0
0
2
2
2
49
0
0
0
0
0
35
3
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
6
7
9
9
9
9
9
9
9
0
3
0
3
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 (%)

5
5
2
5
5
4
6
7
4
4
4
3
6
8
13
27
28
22
28
28
26
22
20
7

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)

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

Chance of Frost

Temperature (°C)

-1
-0
-0
-0
0
0
-1
0
-0
-0
0
1
2
2
2
2
2
1
1
1
1
1
1
1

Feels Like (°C)

-4
-4
-2
-2
-4
-4
-5
-4
-4
-4
-3
-3
-3
-2
-3
-2
-4
-3
-3
-4
-4
-4
-4
-3

Dew Point (°C)

-4
-4
-4
-4
-4
-3
-2
-2
-1
-1
-1
-1
-1
-1
-1
-1
-0
1
1
1
1
-1
-1
-1

Relative Humidity (%)

77
78
78
77
75
81
89
86
96
96
94
84
80
79
79
79
88
98
96
98
94
89
88
84

Pressure (mb)

1023
1023
1023
1023
1023
1023
1022
1022
1023
1023
1023
1023
1022
1022
1022
1022
1022
1022
1022
1021
1021
1021
1021
1021

Ozone (du)

323
327
332
335
340
343
345
344
350
357
356
356
356
363
367
369
371
370
370
371
372
369
366
366

Monday 5

Waning Gibbous 96%

19:00

10:23

00 Bad
01 OK
02 OK
03 OK
04 OK
05 Bad
06 OK
07 OK
08 Good
09 OK
10 OK
11 OK
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: 08:44, Set: 16:15, Transit: 12:29. Moon - Rise: 19:00, Set: 10:23. Civil Dark: 16:58 - 08:00. Nautical Dark: 17:45 - 07:14. Astro Dark: 18:28 - 06:31

Total Clouds (% Sky Obscured)

46
27
33
33
37
37
21
19
10
15
21
24
34
42
51
60
83
91
97
95
98
98
96
96

Low Clouds (% Sky Obscured)

43
13
33
33
37
37
20
17
6
10
12
13
20
29
40
49
55
55
62
72
79
78
76
74

Medium Clouds (% Sky Obscured)

2
8
29
33
37
37
2
2
2
2
3
6
10
13
13
25
38
51
67
78
88
71
40
18

High Clouds (% Sky Obscured)

0
5
33
33
36
32
6
4
2
1
1
0
1
3
4
20
35
51
54
51
48
39
35
33

ISS Passover

Visibility (miles)

9
9
9
9
9
8
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 (%)

6
8
7
6
5
4
4
6
5
9
10
8
29
25
6
12
13
10
15
19
20
30
37
44

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
10
10
11
10
9
9
9
9
8
8
8
8
9
9
8
8
7
6
5
5
4
3

Chance of Frost

Temperature (°C)

1
1
1
1
1
1
0
0
-0
-0
1
2
2
3
3
3
2
2
1
1
0
0
-1
-1

Feels Like (°C)

-2
-3
-3
-4
-4
-4
-3
-3
-2
-2
-2
-1
0
1
1
1
1
1
2
-2
-2
-2
-3
-4

Dew Point (°C)

-1
-1
-2
-2
-2
-1
-2
-2
-2
-2
-2
-2
-1
-1
0
1
1
0
0
-0
-1
-1
-2
-2

Relative Humidity (%)

88
88
83
86
86
89
86
84
86
86
81
78
77
80
83
85
89
91
94
93
94
94
92
92

Pressure (mb)

1021
1021
1021
1021
1021
1021
1020
1021
1021
1021
1021
1021
1021
1021
1020
1020
1020
1020
1020
1019
1019
1019
1018
1018

Ozone (du)

364
361
361
361
364
363
359
357
360
363
362
359
358
357
356
356
357
358
358
354
350
345
344
343

Tuesday 6

Waning Gibbous 90%

20:30

10:36

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 OK
19 OK
20 OK
21 Bad
22 Bad
23 Bad

Sun - Rise: 08:43, Set: 16:16, Transit: 12:30. Moon - Rise: 20:30, Set: 10:36. Civil Dark: 17:00 - 08:00. Nautical Dark: 17:46 - 07:14. Astro Dark: 18:29 - 06:30

Total Clouds (% Sky Obscured)

97
99
100
100
100
100
97
96
94
93
90
86
76
69
65
59
48
43
36
34
31
33
39
41

Low Clouds (% Sky Obscured)

81
84
87
81
68
67
54
44
32
37
34
25
5
0
0
0
0
0
0
0
8
12
17
14

Medium Clouds (% Sky Obscured)

37
60
85
90
95
100
97
96
94
87
79
70
48
25
3
2
1
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

55
78
100
84
65
37
20
10
10
10
9
32
27
14
0
0
0
0
0
0
0
1
3
11

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
6
3
0
3
6
9
9
9
9
9
8
7
8
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 (%)

44
41
35
34
30
18
21
21
21
20
17
9
13
10
2
6
4
2
3
3
2
12
15
16

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)

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

Chance of Frost

Temperature (°C)

-1
0
1
1
1
2
2
2
2
2
2
3
3
3
3
3
3
3
2
1
1
0
0
0

Feels Like (°C)

-4
-4
-4
-4
-4
-4
-4
-3
-3
-4
-3
-3
-3
-1
-1
0
0
0
-1
-1
-1
-2
-3
-3

Dew Point (°C)

-2
-2
-1
-1
-1
-1
-1
-0
0
-0
1
2
2
2
2
2
2
2
1
1
1
-1
-0
0

Relative Humidity (%)

91
89
88
88
86
86
84
86
88
88
93
94
96
96
94
94
94
96
96
98
98
96
98
98

Pressure (mb)

1017
1017
1016
1016
1015
1015
1014
1015
1015
1015
1015
1016
1016
1016
1017
1017
1018
1019
1019
1020
1020
1021
1022
1022

Ozone (du)

341
342
343
344
346
348
350
350
351
351
350
348
347
347
346
346
348
349
351
352
354
355
356
357

Wednesday 7

Waning Gibbous 83%

21:54

10:45

Sun - Rise: 08:43, Set: 16:18, Transit: 12:30. Moon - Rise: 21:54, Set: 10:45. Civil Dark: 17:01 - 08:00. Nautical Dark: 17:47 - 07:13. Astro Dark: 18:31 - 06:30

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 Knockmore, Lisburn and Castlereagh, United Kingdom (54.51,-6.07)

Generated: 01/01/26 00:10:45. Forecast: 01/01/26 to 07/01/26. Timezone: UTC+0.00