Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 19

Waxing Crescent 39%

11:20

00:10

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
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 08:31, Set: 16:37, Transit: 12:34. Moon - Rise: 11:20, Set: 00:10. Civil Dark: 17:19 - 07:48. Nautical Dark: 18:04 - 07:04. Astro Dark: 18:46 - 06:21

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
91
78
59
99
100
100
99

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
87
100
100
98
84
99
97
100
98
98
96
98
100
100
100
100
100
100

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
98
98
92
70
98
92
70
92
73
83
66
92
97
77
75
66
6

ISS Passover

Visibility (miles)

5
3
3
3
3
4
4
4
4
5
4
4
5
6
9
10
10
10
10
10
10
10
10
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

Precipitation Type

Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
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
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

79
100
100
77
77
77
77
77
75
76
81
81
80
75
73
72
71
66
61
55
44
41
37
30

Precipitation Amount (mm)

1.09
1.9
2.06
1.69
1.64
1.71
1.63
1.74
1.7
1.78
1.67
1.2
0.92
0.76
0.73
0.62
0.6
0.53
0.49
0.3
0.15
0.17
0.15
0.11

Wind Speed/Direction (mph)

2
3
4
6
7
9
9
9
9
9
9
9
8
8
7
7
6
6
6
7
7
6
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
93
92
91
92
92
92
92
93
95
96
96
97
98
98
98
98
97
96
95
94
93
92
91

Pressure (mb)

997
997
996
995
993
992
990
989
989
988
987
987
986
986
986
986
985
985
985
985
985
984
984
983

Ozone (du)

300
303
304
306
312
313
312
312
312
313
312
312
314
315
317
318
315
319
324
325
325
321
327
327

Wednesday 20

First Quarter 49%

11:31

01:21

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 OK
22 OK
23 OK
00 Good
01 Good
02 Good
03 Good
04 OK
05 Bad
06 Bad
07 Bad

Sun - Rise: 08:30, Set: 16:39, Transit: 12:34. Moon - Rise: 11:31, Set: 01:21. Civil Dark: 17:20 - 07:47. Nautical Dark: 18:05 - 07:03. Astro Dark: 18:48 - 06:20

Total Clouds (% Sky Obscured)

100
99
99
100
100
100
100
99
99
98
84
82
90
26
16
11
6
3
2
2
15
58
99
100

Low Clouds (% Sky Obscured)

86
52
5
2
1
1
8
6
2
2
2
3
6
9
10
10
6
3
2
2
6
58
99
100

Medium Clouds (% Sky Obscured)

100
99
99
99
97
91
95
98
99
97
79
16
2
3
7
1
0
0
0
0
2
0
7
16

High Clouds (% Sky Obscured)

0
0
0
57
100
100
100
95
75
95
81
81
88
19
0
0
0
0
0
0
12
0
6
25

ISS Passover

Visibility (miles)

8
7
8
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
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
2

Precipitation Type

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

Precipitation Probability (%)

23
22
22
23
28
31
26
15
15
19
15
12
11
9
8
8
0
0
0
0
0
0
27
49

Precipitation Amount (mm)

0.08
0.08
0.08
0.08
0.11
0.12
0.07
0.02
0.01
0.01
0.01
0.01
0.01
0.02
0.01
0.01
0
0
0
0
0
0
0.04
0.2

Wind Speed/Direction (mph)

6
7
7
7
7
8
8
9
8
9
9
9
10
10
11
11
12
12
13
14
14
15
15
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

3
2
2
3
3
3
3
3
3
3
3
2
3
2
2
2
2
2
2
2
2
2
2
2

Relative Humidity (%)

91
90
90
90
89
87
86
87
89
92
93
94
95
96
96
96
96
96
96
95
94
93
92
91

Pressure (mb)

983
983
982
982
982
981
980
979
979
979
978
978
978
977
977
977
977
977
977
977
977
977
975
976

Ozone (du)

329
331
330
328
325
325
325
325
325
325
327
329
331
333
336
340
349
350
350
350
352
353
352
352

Thursday 21

Waxing Gibbous 59%

11:44

02:32

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 OK
23 OK
00 OK
01 OK
02 OK
03 OK
04 Good
05 OK
06 Good
07 Good

Sun - Rise: 08:28, Set: 16:41, Transit: 12:35. Moon - Rise: 11:44, Set: 02:32. Civil Dark: 17:22 - 07:46. Nautical Dark: 18:07 - 07:02. Astro Dark: 18:49 - 06:19

Total Clouds (% Sky Obscured)

100
93
99
97
98
98
81
73
65
41
34
34
34
34
34
34
6
6
6
6
6
6
2
2

Low Clouds (% Sky Obscured)

100
86
98
47
67
91
22
16
20
31
28
28
28
28
28
28
6
6
6
6
6
6
2
2

Medium Clouds (% Sky Obscured)

44
29
34
84
76
50
22
16
17
20
3
3
3
3
3
3
1
1
1
1
1
1
0
0

High Clouds (% Sky Obscured)

46
52
67
87
95
91
75
66
55
11
7
7
7
7
7
7
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

10
7
7
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

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

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

Precipitation Probability (%)

51
53
51
38
21
14
12
12
15
17
17
15
13
11
9
9
8
6
6
6
0
0
0
0

Precipitation Amount (mm)

0.38
0.51
0.47
0.24
0.1
0.04
0.03
0.03
0.04
0.05
0.06
0.05
0.02
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0
0
0
0

Wind Speed/Direction (mph)

13
13
14
14
13
14
13
13
12
12
11
11
12
12
12
12
12
12
11
11
11
10
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

2
2
2
3
3
3
3
3
3
3
3
3
3
3
3
3
2
2
2
2
2
1
1
1

Relative Humidity (%)

91
92
91
89
84
82
82
83
86
91
93
96
96
97
97
96
96
96
95
94
93
92
91
90

Pressure (mb)

977
978
978
979
980
981
981
981
982
983
983
983
984
984
985
985
986
986
987
987
988
988
989
989

Ozone (du)

351
351
350
350
354
354
354
354
355
356
355
357
358
358
359
359
362
364
366
367
368
367
365
364

Friday 22

Waxing Gibbous 68%

11:59

03:45

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

Sun - Rise: 08:27, Set: 16:43, Transit: 12:35. Moon - Rise: 11:59, Set: 03:45. Civil Dark: 17:24 - 07:45. Nautical Dark: 18:08 - 07:00. Astro Dark: 18:51 - 06:18

Total Clouds (% Sky Obscured)

2
2
2
2
1
1
1
1
1
1
53
53
53
53
53
53
31
31
31
31
31
31
91
91

Low Clouds (% Sky Obscured)

2
2
2
2
1
1
1
1
1
1
4
4
4
4
4
4
24
24
24
24
24
24
74
74

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
4
4
4
4
4
4
12
12
12
12
12
12
67
67

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
51
51
51
51
51
51
4
4
4
4
4
4
53
53

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

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

Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
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

Precipitation Probability (%)

6
8
9
11
11
9
11
11
11
10
8
5
5
3
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.01
0.01
0.01
0.01
0.01
0.02
0.03
0.03
0.02
0.01
0.01
0.01
0.01
0.01
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

10
10
10
11
12
12
12
11
10
10
10
10
9
9
9
9
9
9
9
9
8
8
6
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
90
89
87
83
80
79
82
86
91
93
93
93
93
93
94
94
93
92
92
91
90
90
89

Pressure (mb)

990
990
991
991
992
991
992
992
993
993
992
992
993
993
994
994
994
994
994
994
994
994
993
993

Ozone (du)

365
365
365
366
366
369
371
372
370
371
372
374
376
381
386
388
391
392
393
396
398
401
404
401

Saturday 23

Waxing Gibbous 77%

12:17

04:57

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

Sun - Rise: 08:25, Set: 16:45, Transit: 12:35. Moon - Rise: 12:17, Set: 04:57. Civil Dark: 17:26 - 07:43. Nautical Dark: 18:10 - 06:59. Astro Dark: 18:52 - 06:17

Total Clouds (% Sky Obscured)

91
91
91
91
65
65
65
65
65
65
2
2
2
2
2
2
98
98
98
98
98
98
60
60

Low Clouds (% Sky Obscured)

74
74
74
74
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
60
60

Medium Clouds (% Sky Obscured)

67
67
67
67
57
57
57
57
57
57
1
1
1
1
1
1
95
95
95
95
95
95
0
0

High Clouds (% Sky Obscured)

53
53
53
53
59
59
59
59
59
59
0
0
0
0
0
0
95
95
95
95
95
95
0
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

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

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
88
84
80
77
74
73
75
79
86
88
92
93
94
96
98
97
97
96
95
94
94
94
92

Pressure (mb)

993
993
993
993
993
992
991
991
990
990
990
990
989
989
990
990
989
989
989
989
989
989
989
989

Ozone (du)

401
399
400
400
401
402
404
404
406
406
406
407
410
411
414
417
420
421
421
422
422
424
424
425

Sunday 24

Waxing Gibbous 85%

12:41

06:07

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

Sun - Rise: 08:24, Set: 16:47, Transit: 12:35. Moon - Rise: 12:41, Set: 06:07. Civil Dark: 17:27 - 07:42. Nautical Dark: 18:12 - 06:58. Astro Dark: 18:54 - 06:16

Total Clouds (% Sky Obscured)

60
60
60
60
23
23
23
23
23
23
6
6
6
6
6
6
27
27
27
27
27
27
41
41

Low Clouds (% Sky Obscured)

60
60
60
60
16
16
16
16
16
16
2
2
2
2
2
2
4
4
4
4
4
4
5
5

Medium Clouds (% Sky Obscured)

0
0
0
0
9
9
9
9
9
9
5
5
5
5
5
5
1
1
1
1
1
1
1
1

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
23
23
23
23
23
23
39
39

ISS Passover

Visibility (miles)

10
10
10
10
10
8
6
5
7
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

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

Precipitation Probability (%)

0
0
4
8
14
19
28
33
31
26
19
10
6
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0.01
0.02
0.05
0.13
0.31
0.45
0.38
0.22
0.11
0.05
0.01
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
88
84
82
79
78
79
83
88
94
96
97
98
100
100
100
99
98
97
96
96
95
94
95

Pressure (mb)

990
990
990
990
991
991
991
992
992
993
993
993
994
995
995
996
997
998
998
999
999
1000
1000
1001

Ozone (du)

424
424
423
422
420
419
419
417
415
412
410
409
409
409
411
414
416
417
418
417
413
408
404
404

Monday 25

Waxing Gibbous 91%

13:15

07:10

08 OK
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
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 08:22, Set: 16:49, Transit: 12:36. Moon - Rise: 13:15, Set: 07:10. Civil Dark: 17:29 - 07:41. Nautical Dark: 18:13 - 06:57. Astro Dark: 18:56 - 06:15

Total Clouds (% Sky Obscured)

41
41
41
41
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
98
98

Low Clouds (% Sky Obscured)

5
5
5
5
0
0
0
0
0
0
56
56
56
56
56
56
100
100
100
100
100
100
2
2

Medium Clouds (% Sky Obscured)

1
1
1
1
8
8
8
8
8
8
100
100
100
100
100
100
80
80
80
80
80
80
2
2

High Clouds (% Sky Obscured)

39
39
39
39
100
100
100
100
100
100
100
100
100
100
100
100
68
68
68
68
68
68
98
98

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
6
3
2
2
3
4
7
9
10

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

Precipitation Probability (%)

0
8
0
0
0
0
0
0
0
0
0
0
0
0
25
53
70
73
77
81
84
76
67
59

Precipitation Amount (mm)

0
0.01
0
0
0
0
0
0
0
0
0
0
0
0
0.03
0.15
0.37
0.66
1.01
1.22
1.12
0.85
0.59
0.33

Wind Speed/Direction (mph)

10
9
10
11
11
11
11
10
9
8
7
6
6
6
8
10
11
12
12
12
11
9
8
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
94
94
90
85
84
84
86
90
96
99
100
100
100
100
100
100
100
100
100
100
100
99
99

Pressure (mb)

1002
1003
1004
1004
1005
1005
1005
1006
1006
1007
1007
1008
1008
1008
1007
1007
1006
1005
1004
1003
1002
1001
1001
1000

Ozone (du)

405
405
401
395
390
385
381
376
373
369
366
362
359
356
354
352
351
351
352
356
365
377
386
390

Forecast for Belfast, Belfast, UK (54.60,-5.93)

Generated: 19/01/21 08:44:48. Forecast: 19/01/21 to 25/01/21. Timezone: UTC+0.00