Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 31

Waxing Gibbous 99%

14:48

08:01

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: 08:13, Set: 17:01, Transit: 12:37. Moon - Rise: 14:48, Set: 08:01. Civil Dark: 17:41 - 07:34. Nautical Dark: 18:24 - 06:51. Astro Dark: 19:06 - 06:09

Total Clouds (% Sky Obscured)

99
98
98
97
100
99
97
97
93
98
96
98
97
99
99
98
98
94
96
84
84
64
80
89

Low Clouds (% Sky Obscured)

93
94
95
96
95
95
96
94
92
95
96
97
95
98
98
94
95
88
90
75
79
64
79
78

Medium Clouds (% Sky Obscured)

99
91
80
95
98
49
39
7
0
33
37
31
23
36
40
42
40
33
29
21
6
0
0
14

High Clouds (% Sky Obscured)

69
4
53
85
15
3
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
37

ISS Passover

Visibility (miles)

9
5
4
8
8
9
9
9
9
9
9
6
9
9
9
7
7
9
9
9
7
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
55
78
77
8

Precipitation Type

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

Precipitation Probability (%)

62
0
0
95
95
70
45
27
24
27
32
35
27
25
30
33
34
24
19
21
31
18
6
4

Precipitation Amount (mm)

0.5
0
0
1.1
1.1
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

13
13
13
13
14
14
13
12
11
10
10
9
8
7
6
6
6
6
6
5
5
6
5
5

Chance of Frost

Temperature (°C)

6
6
6
6
6
6
6
6
6
6
6
6
7
7
7
7
7
7
6
6
5
5
5
5

Feels Like (°C)

1
1
1
0
1
0
1
1
2
1
2
3
4
4
4
5
5
4
4
4
3
3
2
2

Dew Point (°C)

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

Relative Humidity (%)

91
94
96
94
94
94
94
94
96
94
96
94
93
94
94
96
96
98
96
96
96
96
96
94

Pressure (mb)

986
986
987
987
988
988
988
989
990
991
991
992
992
993
993
993
994
994
995
995
996
996
997
997

Ozone (du)

452
448
444
442
436
432
430
432
431
431
443
472
484
480
474
480
457
438
428
426
421
417
412
409

Sunday 1

Full Moon 100%

16:24

08:25

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 OK
17 OK
18 Bad
19 Bad
20 OK
21 OK
22 OK
23 OK

Sun - Rise: 08:11, Set: 17:04, Transit: 12:37. Moon - Rise: 16:24, Set: 08:25. Civil Dark: 17:43 - 07:32. Nautical Dark: 18:26 - 06:49. Astro Dark: 19:08 - 06:07

Total Clouds (% Sky Obscured)

99
100
100
100
100
100
98
98
99
99
99
64
90
61
43
33
29
27
44
73
14
42
37
32

Low Clouds (% Sky Obscured)

75
48
56
84
81
94
90
87
87
59
45
49
64
50
32
33
29
13
26
29
0
0
0
0

Medium Clouds (% Sky Obscured)

43
68
100
100
99
85
86
96
64
92
62
24
59
49
22
29
29
27
16
20
5
13
12
9

High Clouds (% Sky Obscured)

87
100
100
100
67
38
7
13
23
30
38
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

2
2
5
20
22
30
65
63
52
46
25
27
37
33
23
34
24
4
0
0
1
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0.3
0.3
0.2
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

4
4
4
3
4
4
5
8
9
9
9
10
12
13
12
11
8
7
5
4
4
3
2
2

Chance of Frost

Temperature (°C)

4
4
5
4
5
5
5
6
6
6
6
6
7
7
7
7
7
6
4
3
3
3
2
1

Feels Like (°C)

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

Dew Point (°C)

4
4
4
4
4
4
5
5
5
5
5
5
5
4
4
4
5
4
3
3
2
2
2
0

Relative Humidity (%)

96
96
96
96
94
94
96
94
94
91
93
90
87
85
84
84
87
90
93
94
94
94
94
93

Pressure (mb)

997
997
998
998
998
998
998
998
998
999
1000
1000
1000
1001
1000
1000
1001
1001
1002
1002
1002
1002
1002
1002

Ozone (du)

405
399
390
381
379
377
376
373
374
374
377
386
390
394
395
392
391
390
388
383
380
377
375
372

Monday 2

Waning Gibbous 100%

17:57

08:41

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 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 08:09, Set: 17:06, Transit: 12:38. Moon - Rise: 17:57, Set: 08:41. Civil Dark: 17:44 - 07:31. Nautical Dark: 18:27 - 06:48. Astro Dark: 19:09 - 06:06

Total Clouds (% Sky Obscured)

31
35
34
47
46
49
66
67
87
97
100
99
96
99
89
76
100
84
99
99
100
100
100
100

Low Clouds (% Sky Obscured)

31
35
32
47
46
49
63
65
86
97
100
99
96
94
82
76
95
84
91
93
95
96
99
100

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
3
9
3
0
0
0
2
7
7
6
6
5
2
0

High Clouds (% Sky Obscured)

0
0
0
0
3
49
66
34
2
2
1
2
3
35
24
10
35
16
64
81
100
80
57
36

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
1
59
0
26
58
90
100
48
6
5
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
1
5
5
8
11
8
7
8
9
10
10
8
13
16
19

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)

1
2
4
4
4
4
4
4
6
6
7
8
11
15
17
18
19
19
20
20
19
19
18
18

Chance of Frost

Temperature (°C)

1
1
1
1
1
2
1
1
2
2
4
5
6
6
6
6
6
6
6
6
5
5
5
5

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
93
93
94
96
96
94
94
93
86
85
85
82
81
81
81
81
82
80
82
80
83
90

Pressure (mb)

1001
1001
1000
1000
999
999
998
998
998
998
997
997
997
996
995
995
995
995
995
995
995
995
995
995

Ozone (du)

371
374
371
369
365
365
366
367
368
367
367
369
369
369
368
369
370
369
370
372
373
373
374
374

Tuesday 3

Waning Gibbous 98%

19:25

08:52

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: 08:08, Set: 17:08, Transit: 12:38. Moon - Rise: 19:25, Set: 08:52. Civil Dark: 17:46 - 07:29. Nautical Dark: 18:29 - 06:46. Astro Dark: 19:11 - 06:04

Total Clouds (% Sky Obscured)

96
93
91
93
96
100
100
100
100
100
100
100
100
100
99
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

96
91
86
91
96
100
100
100
100
100
100
100
100
100
99
100
100
100
100
100
100
100
99
99

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
1
0
5
5
3
3
5
7

High Clouds (% Sky Obscured)

32
32
19
2
3
2
4
6
8
6
4
0
2
3
3
4
1
0
0
0
0
0
3
7

ISS Passover

Visibility (miles)

7
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
1
3
1
3
0
1
0

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 (%)

17
19
9
17
15
10
13
15
12
12
14
12
11
14
16
22
28
33
32
37
33
30
19
19

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)

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

Chance of Frost

Temperature (°C)

5
5
5
5
5
5
5
5
4
4
4
4
5
5
4
4
4
4
4
4
4
4
4
4

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
94
90
86
82
86
79
82
77
77
80
79
79
80
83
86
88
94
96
96
96
96
96
96

Pressure (mb)

995
995
995
995
995
995
995
996
996
996
996
996
996
996
995
995
995
995
996
996
995
995
995
995

Ozone (du)

374
375
376
377
378
378
379
380
381
381
381
381
382
389
402
416
433
450
460
467
468
468
469
467

Wednesday 4

Waning Gibbous 94%

20:49

09:01

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: 08:06, Set: 17:10, Transit: 12:38. Moon - Rise: 20:49, Set: 09:01. Civil Dark: 17:48 - 07:27. Nautical Dark: 18:31 - 06:44. Astro Dark: 19:13 - 06:03

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
99
98
97
97
97
97
98
98
98
99
99
100
98
96
94
96
98
100

Low Clouds (% Sky Obscured)

99
100
100
100
100
100
94
98
97
97
97
97
98
98
98
98
99
100
96
92
87
91
96
100

Medium Clouds (% Sky Obscured)

5
4
2
6
12
16
11
5
0
0
0
0
1
2
4
5
7
10
22
27
33
23
7
4

High Clouds (% Sky Obscured)

33
53
50
44
38
31
32
3
3
4
4
18
23
27
32
28
23
18
12
7
1
1
0
0

ISS Passover

Visibility (miles)

0
0
0
3
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 (%)

25
34
34
18
16
14
12
12
5
15
13
15
20
20
21
20
20
23
28
31
35
37
35
28

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)

14
14
14
13
13
13
13
13
13
13
15
16
16
16
15
15
15
14
14
14
14
15
14
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
96
96
96
94
94
94
94
94
91
88
90
93
93
91
91
91
93
93
94
94
94
93
93

Pressure (mb)

995
995
994
994
994
994
994
994
994
994
994
994
994
994
993
993
993
993
993
994
994
994
994
994

Ozone (du)

461
450
443
440
439
433
428
426
423
418
416
419
426
428
431
434
428
423
417
416
415
415
414
413

Thursday 5

Waning Gibbous 88%

22:09

09:08

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: 08:04, Set: 17:12, Transit: 12:38. Moon - Rise: 22:09, Set: 09:08. Civil Dark: 17:50 - 07:25. Nautical Dark: 18:33 - 06:43. Astro Dark: 19:14 - 06:01

Total Clouds (% Sky Obscured)

99
99
99
96
92
86
91
94
100
100
100
99
98
98
97
97
97
98
98
99
100
100
100
100

Low Clouds (% Sky Obscured)

99
99
99
90
81
71
81
90
100
99
97
95
87
81
75
78
81
84
80
76
76
73
71
65

Medium Clouds (% Sky Obscured)

3
4
5
5
6
11
11
15
20
21
21
22
47
71
96
90
87
84
84
85
87
89
91
94

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
6
12
18
18
19
24
48
71
90
93
95
99

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
7
5
3
5
7
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
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

25
22
19
20
19
13
30
38
43
49
60
69
78
85
89
76
59
37
23
12
4
8
7
2

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.2
0.3
0.4
0.6
0.6
0.5
0.3
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

7
7
6
6
6
6
6
6
6
6
6
6
6
6
6
7
7
6
6
6
6
6
6
6

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
91
90
91
91
91
91
91
91
91
91
93
93
91
90
88
90
90
90
90
90
90
88
88

Pressure (mb)

994
994
993
993
993
993
993
993
993
993
993
993
994
994
994
994
994
994
994
995
995
995
995
995

Ozone (du)

412
411
411
411
415
419
423
425
427
429
427
426
424
423
422
421
418
416
413
411
409
407
411
414

Friday 6

Waning Gibbous 81%

23:27

09:15

Sun - Rise: 08:02, Set: 17:14, Transit: 12:38. Moon - Rise: 23:27, Set: 09:15. Civil Dark: 17:52 - 07:24. Nautical Dark: 18:35 - 06:41. Astro Dark: 19:16 - 05:59

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: 31/01/26 00:38:04. Forecast: 31/01/26 to 06/02/26. Timezone: UTC+0.00