Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 19

Waning Crescent 0%

08:50

15:33

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

Sun - Rise: 08:05, Set: 16:15, Transit: 12:10. Moon - Rise: 08:50, Set: 15:33. Civil Dark: 16:56 - 07:23. Nautical Dark: 17:40 - 06:39. Astro Dark: 18:23 - 05:56

Total Clouds (% Sky Obscured)

43
48
50
52
52
66
53
42
39
33
26
24
25
18
20
18
13
12
0
3
3
2
2
4

Low Clouds (% Sky Obscured)

43
48
50
40
52
66
50
38
35
30
24
24
23
17
19
16
13
11
0
3
3
2
2
2

Medium Clouds (% Sky Obscured)

43
48
50
3
22
41
17
12
7
3
1
1
2
0
0
0
0
0
0
0
0
0
0
0

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
3

ISS Passover

Visibility (miles)

9
9
9
9
9
9
7
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
6
9
10
11
14
12
11
10
8
6
3
3
4
5
5
6
3
4
4
2
3
1

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)

7
7
7
8
9
9
8
7
7
7
7
7
7
8
9
11
11
11
9
7
6
5
5
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
74
74
76
78
71
77
80
81
80
80
78
77
69
66
65
63
66
68
75
79
80
81
81

Pressure (mb)

1020
1020
1020
1020
1019
1019
1019
1019
1019
1019
1020
1020
1020
1021
1021
1021
1021
1021
1021
1022
1023
1023
1024
1024

Ozone (du)

300
302
300
301
299
299
299
298
293
292
288
286
288
289
289
288
286
287
285
282
281
279
279
277

Thursday 20

New Moon 2%

10:04

16:02

21 Good
22 Good
23 Good
00 Good
01 Good
02 OK
03 OK
04 Good
05 Good
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

Sun - Rise: 08:06, Set: 16:13, Transit: 12:10. Moon - Rise: 10:04, Set: 16:02. Civil Dark: 16:55 - 07:25. Nautical Dark: 17:39 - 06:40. Astro Dark: 18:22 - 05:58

Total Clouds (% Sky Obscured)

5
5
5
6
4
20
29
12
16
75
75
81
70
86
84
96
91
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

2
2
2
2
1
1
3
1
1
1
1
1
0
0
0
39
30
78
73
100
97
93
100
100

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
35
50
55
49
70
83
87
67
100
100
100
99
100
100
100

High Clouds (% Sky Obscured)

3
3
4
6
2
16
26
10
14
72
73
76
38
44
52
71
62
100
94
100
92
100
100
100

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

Precipitation Probability (%)

1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
13
14
36
73
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.6
1

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
81
81
84
86
87
87
86
86
86
84
86
83
77
72
70
70
72
72
73
75
70
77
86

Pressure (mb)

1025
1025
1025
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1025
1024
1023
1022
1022
1021
1020
1020
1019

Ozone (du)

276
275
276
273
272
270
269
270
269
267
267
267
262
258
256
253
248
248
248
246
246
249
249
252

Friday 21

Waxing Crescent 5%

11:07

16:45

21 Bad
22 Bad
23 Bad
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

Sun - Rise: 08:08, Set: 16:12, Transit: 12:10. Moon - Rise: 11:07, Set: 16:45. Civil Dark: 16:53 - 07:27. Nautical Dark: 17:38 - 06:42. Astro Dark: 18:21 - 05:59

Total Clouds (% Sky Obscured)

100
100
100
100
100
86
54
54
63
97
75
78
74
77
61
90
91
94
90
100
100
90
81
87

Low Clouds (% Sky Obscured)

100
90
80
76
72
67
53
51
55
57
63
64
64
51
45
46
36
27
35
53
70
62
55
48

Medium Clouds (% Sky Obscured)

100
100
100
100
100
86
18
5
6
8
4
14
16
29
21
46
51
70
87
94
85
67
52
53

High Clouds (% Sky Obscured)

100
100
100
75
64
0
2
3
6
35
15
4
0
11
6
4
67
12
30
67
94
62
67
72

ISS Passover

Visibility (miles)

4
5
9
9
9
4
8
4
1
2
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

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

Precipitation Probability (%)

95
75
29
12
6
3
2
0
0
0
0
0
0
0
0
0
1
1
1
1
2
9
10
7

Precipitation Amount (mm)

0.7
0.2
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)

8
9
9
8
7
5
5
4
4
3
3
3
3
2
2
2
3
3
3
3
3
3
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
96
94
94
96
98
98
98
100
98
98
94
96
96
94
90
88
88
90
94
94
94
94
94

Pressure (mb)

1018
1017
1017
1016
1015
1015
1015
1015
1014
1014
1013
1013
1013
1012
1011
1010
1010
1008
1008
1007
1006
1005
1004
1003

Ozone (du)

258
261
267
273
276
271
272
273
271
268
265
266
264
266
267
268
269
272
272
270
270
271
270
269

Saturday 22

Waxing Crescent 10%

11:56

17:44

21 Bad
22 Bad
23 Bad
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

Sun - Rise: 08:10, Set: 16:11, Transit: 12:10. Moon - Rise: 11:56, Set: 17:44. Civil Dark: 16:52 - 07:28. Nautical Dark: 17:37 - 06:43. Astro Dark: 18:20 - 06:01

Total Clouds (% Sky Obscured)

88
100
100
100
100
85
100
100
100
100
100
97
78
77
72
71
71
73
89
95
93
96
100
100

Low Clouds (% Sky Obscured)

62
76
92
89
90
84
82
83
69
71
67
62
60
56
57
53
53
61
60
63
63
61
63
62

Medium Clouds (% Sky Obscured)

67
94
100
100
100
84
100
100
100
99
97
93
77
73
64
62
57
41
74
85
78
88
98
98

High Clouds (% Sky Obscured)

73
76
77
76
54
5
3
1
0
6
2
2
1
0
0
0
0
0
11
27
47
61
94
100

ISS Passover

Visibility (miles)

9
9
9
9
2
9
9
1
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None

Precipitation Probability (%)

32
39
51
95
83
77
81
71
58
58
58
58
71
81
91
88
84
75
76
71
67
64
60
54

Precipitation Amount (mm)

0
0
0
0.7
0.5
0.4
0.6
0.4
0.2
0.2
0.2
0.2
0.4
0.6
0.7
0.6
0.6
0.3
0.4
0.4
0.3
0.3
0.3
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
94
96
96
98
94
96
98
94
96
96
96
93
91
88
85
84
82
82
84
85
88
88
88

Pressure (mb)

1002
1001
1000
999
998
998
997
997
996
996
996
996
996
997
997
997
997
997
997
998
998
998
999
999

Ozone (du)

269
267
268
270
272
275
273
272
273
274
275
278
282
286
287
286
286
286
288
290
291
291
292
295

Sunday 23

Waxing Crescent 17%

12:29

18:57

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

Sun - Rise: 08:12, Set: 16:10, Transit: 12:11. Moon - Rise: 12:29, Set: 18:57. Civil Dark: 16:51 - 07:30. Nautical Dark: 17:37 - 06:45. Astro Dark: 18:19 - 06:02

Total Clouds (% Sky Obscured)

100
97
95
90
92
97
99
100
99
100
76
66
57
51
42
47
48
52
49
70
65
66
53
47

Low Clouds (% Sky Obscured)

63
64
72
64
60
55
51
50
61
68
29
24
21
20
20
27
35
45
48
47
41
40
42
40

Medium Clouds (% Sky Obscured)

98
72
83
60
64
85
97
100
99
100
60
55
42
29
22
20
18
11
10
11
12
15
11
8

High Clouds (% Sky Obscured)

100
64
45
50
50
57
82
87
68
86
67
65
46
23
1
1
0
0
1
1
2
1
1
0

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

Precipitation Probability (%)

52
48
45
49
46
38
69
76
75
72
68
61
52
37
7
14
10
0
1
1
0
1
2
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
3
3
2
2

Relative Humidity (%)

86
88
88
88
88
88
90
90
91
91
93
93
94
90
84
81
81
84
85
85
88
91
88
88

Pressure (mb)

1000
1000
1000
1000
1000
1000
1001
1001
1001
1002
1002
1003
1003
1004
1004
1004
1005
1005
1006
1007
1007
1008
1009
1010

Ozone (du)

297
301
299
295
295
297
298
299
301
304
303
306
309
310
306
298
295
293
290
288
286
284
287
290

Monday 24

Waxing Crescent 25%

12:51

20:18

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

Sun - Rise: 08:13, Set: 16:09, Transit: 12:11. Moon - Rise: 12:51, Set: 20:18. Civil Dark: 16:51 - 07:31. Nautical Dark: 17:36 - 06:46. Astro Dark: 18:19 - 06:03

Total Clouds (% Sky Obscured)

46
39
35
34
34
33
37
38
38
35
26
24
17
14
9
24
42
63
59
50
45
51
62
73

Low Clouds (% Sky Obscured)

40
39
35
34
34
33
37
38
38
35
26
24
17
11
1
0
0
0
0
0
0
18
37
50

Medium Clouds (% Sky Obscured)

5
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
9
12
19
24
27

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
1
3
17
30
43
39
25
10
5
5
10

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 (%)

2
3
1
6
5
2
5
3
1
5
4
0
1
1
0
0
0
0
0
0
0
1
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
88
89
89
86
85
82
82
83
83
83
83
83
82
79
76
79
82
85
86
88
89
89
89

Pressure (mb)

1011
1011
1012
1013
1013
1014
1015
1015
1016
1017
1018
1019
1020
1020
1020
1021
1021
1022
1022
1022
1023
1023
1023
1024

Ozone (du)

293
292
291
290
289
288
287
286
286
286
284
281
279
278
276
275
274
272
271
269
268
266
265
264

Tuesday 25

Waxing Crescent 34%

13:07

No Set

21 Bad
22 Bad
23 Bad
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

Sun - Rise: 08:15, Set: 16:07, Transit: 12:11. Moon - Rise: 13:07, Set: No Set. Civil Dark: 16:50 - 07:33. Nautical Dark: 17:35 - 06:48. Astro Dark: 18:18 - 06:05

Total Clouds (% Sky Obscured)

78
84
88
87
83
81
87
93
99
99
99
99
93
88
83
67
62
60
72
87
97

Low Clouds (% Sky Obscured)

48
46
50
52
53
57
48
37
27
33
38
43
49
55
60
43
23
5
13
21
25

Medium Clouds (% Sky Obscured)

21
20
19
15
11
8
22
32
40
53
69
85
81
77
73
54
36
18
33
46
57

High Clouds (% Sky Obscured)

26
44
69
63
61
53
65
82
99
76
53
35
35
35
35
30
25
25
37
42
55

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

Fog (%)

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

Precipitation Probability (%)

1
1
0
1
1
1
4
4
1
2
1
0
11
17
24
26
20
5
12
15
21

Precipitation Amount (mm)

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
3
3
4
4
5
5
5
6
6
7
7
7
9
10
11
12
13
13
13
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
91
89
89
89
91
89
88
84
83
81
80
79
80
83
85
86
87
87
88
88

Pressure (mb)

1024
1024
1024
1024
1024
1024
1024
1023
1023
1023
1023
1022
1022
1022
1021
1021
1020
1020
1019
1019
1019

Ozone (du)

262
261
259
258
258
258
258
257
257
256
257
257
258
260
261
263
264
265
265
265
264

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

Generated: 19/11/25 21:53:05. Forecast: 19/11/25 to 25/11/25. Timezone: UTC+0.00