Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 18

First Quarter 59%

16:37

No Set

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
21 Bad
22 Bad

Sun - Rise: 06:58, Set: 19:21, Transit: 13:09. Moon - Rise: 16:37, Set: No Set. Civil Dark: 19:55 - 06:24. Nautical Dark: 20:36 - 05:43. Astro Dark: 21:18 - 05:00

Total Clouds (% Sky Obscured)

100
100
99
99
100
100
100
100
94
92
93
100
50
51
74
100
99
95
98
100
100
100
48
48

Low Clouds (% Sky Obscured)

100
97
99
93
100
100
94
91
85
87
80
68
37
47
56
33
22
23
20
27
22
8
13
21

Medium Clouds (% Sky Obscured)

24
21
48
44
27
26
43
61
32
45
9
4
4
0
6
16
21
59
90
90
32
80
28
31

High Clouds (% Sky Obscured)

4
57
99
81
79
57
81
87
21
11
74
100
5
5
23
100
62
65
32
96
100
77
0
0

ISS Passover

Visibility (miles)

9
5
5
5
5
2
1
1
0
0
1
4
9
8
8
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
Very Light Rain
None
None
None
Very Light Rain
None
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

17
1
37
38
26
30
27
42
38
48
54
40
34
29
22
18
20
10
13
13
14
16
25
17

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

22
24
24
24
24
24
24
23
23
23
24
25
24
22
21
18
19
18
18
18
17
16
15
15

Chance of Frost

Temperature (°C)

16
16
16
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
17
16
16
16
16
16

Feels Like (°C)

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

Dew Point (°C)

15
16
16
16
16
16
16
17
17
17
17
16
16
15
15
15
14
14
14
13
14
14
14
14

Relative Humidity (%)

95
96
95
95
93
95
96
98
98
98
98
95
92
87
89
86
83
83
83
83
86
90
89
87

Pressure (mb)

1010
1011
1011
1011
1010
1010
1010
1010
1011
1011
1011
1012
1013
1014
1014
1015
1015
1015
1016
1016
1017
1018
1018
1019

Ozone (du)

297
296
295
294
293
292
291
291
292
293
294
296
296
296
294
295
295
294
294
295
296
296
296
296

Saturday 19

Waxing Gibbous 68%

17:12

23:10

23 Bad
00 Bad
01 Bad
02 OK
03 OK
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

Sun - Rise: 06:59, Set: 19:19, Transit: 13:09. Moon - Rise: 17:12, Set: 23:10. Civil Dark: 19:53 - 06:25. Nautical Dark: 20:33 - 05:45. Astro Dark: 21:16 - 05:02

Total Clouds (% Sky Obscured)

69
42
49
32
41
72
79
100
100
87
82
80
84
100
100
98
100
100
97
91
94
51
83
59

Low Clouds (% Sky Obscured)

32
36
37
28
18
23
28
29
40
42
48
39
36
30
26
15
10
7
10
10
9
0
0
24

Medium Clouds (% Sky Obscured)

67
4
4
0
0
0
0
0
2
0
0
0
0
4
4
54
87
90
89
66
12
38
28
9

High Clouds (% Sky Obscured)

2
0
13
2
41
53
35
100
100
45
40
39
48
100
100
98
100
91
81
76
40
13
59
15

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 (%)

15
9
3
1
0
0
0
3
1
0
0
0
0
0
0
0
1
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)

16
17
18
18
16
15
14
14
13
12
13
12
11
11
10
8
8
7
5
4
2
2
3
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
12
11
11
10
11
10
9
9
10
10
10
11
11
12
12
12
13
13
13
12
11
11
10

Dew Point (°C)

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

Relative Humidity (%)

87
84
83
82
82
83
81
80
79
77
76
71
70
68
67
67
68
68
67
73
76
79
80
83

Pressure (mb)

1020
1020
1021
1021
1022
1022
1023
1023
1024
1025
1026
1027
1028
1028
1029
1029
1030
1030
1030
1030
1031
1031
1032
1032

Ozone (du)

295
291
290
292
291
291
288
288
289
288
288
289
290
289
287
287
285
284
282
280
279
277
275
275

Sunday 20

Waxing Gibbous 77%

17:36

00:19

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
21 Bad
22 Bad

Sun - Rise: 07:01, Set: 19:16, Transit: 13:09. Moon - Rise: 17:36, Set: 00:19. Civil Dark: 19:50 - 06:27. Nautical Dark: 20:31 - 05:47. Astro Dark: 21:13 - 05:05

Total Clouds (% Sky Obscured)

92
97
79
82
96
82
77
79
78
67
68
69
90
86
81
70
66
58
63
68
67
63
58
62

Low Clouds (% Sky Obscured)

41
27
66
66
92
71
77
78
78
67
68
69
90
85
75
52
40
36
43
47
46
55
58
54

Medium Clouds (% Sky Obscured)

87
97
69
13
8
11
12
36
16
8
8
11
68
48
5
4
3
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

37
16
14
2
2
2
2
1
0
1
1
0
0
0
0
0
0
0
0
0
0
0
0
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
3
3
3
3
3
3
3
3
3
3

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
4
0
0
0
0
0
0
0
0
3
0
0
0
0
0
0
0
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)

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

Chance of Frost

Temperature (°C)

11
12
12
13
12
13
12
12
12
13
15
16
17
17
18
18
18
19
18
18
16
16
16
15

Feels Like (°C)

10
10
10
10
10
11
11
11
11
12
15
16
18
17
18
19
20
21
20
20
19
18
17
17

Dew Point (°C)

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

Relative Humidity (%)

81
73
67
62
63
63
67
69
69
71
69
68
70
71
71
72
72
73
76
81
86
86
86
87

Pressure (mb)

1032
1032
1032
1032
1032
1031
1031
1031
1032
1032
1032
1033
1032
1032
1032
1032
1032
1031
1031
1031
1031
1031
1031
1031

Ozone (du)

274
274
273
273
273
272
272
273
273
274
274
274
274
273
272
271
271
272
273
274
274
275
275
276

Monday 21

Waxing Gibbous 85%

17:55

01:34

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
21 Bad
22 Bad

Sun - Rise: 07:03, Set: 19:14, Transit: 13:08. Moon - Rise: 17:55, Set: 01:34. Civil Dark: 19:48 - 06:29. Nautical Dark: 20:28 - 05:49. Astro Dark: 21:10 - 05:07

Total Clouds (% Sky Obscured)

49
51
59
58
56
57
59
60
59
62
68
63
63
61
60
58
53
75
87
98
99
99
100
99

Low Clouds (% Sky Obscured)

49
48
53
58
56
57
59
60
59
62
68
63
63
61
60
58
53
50
47
39
47
58
60
51

Medium 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
1

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
14
27
43
32
24
16
14
20
23
68
82
96
97
98
100
98

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 (%)

3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3

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

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

17
16
16
17
16
16
16
16
15
16
19
20
20
20
20
20
19
19
19
18
17
15
15
14

Dew Point (°C)

13
13
13
13
12
12
12
12
12
13
14
14
14
14
14
14
14
14
14
15
14
13
13
12

Relative Humidity (%)

87
87
87
87
87
87
89
89
89
89
85
81
76
72
71
71
72
73
75
82
83
85
86
86

Pressure (mb)

1031
1031
1030
1030
1030
1030
1029
1029
1029
1030
1030
1030
1030
1029
1029
1029
1028
1028
1027
1027
1027
1027
1027
1026

Ozone (du)

276
274
274
274
274
273
272
273
274
276
277
278
280
281
282
283
283
283
283
284
285
285
285
285

Tuesday 22

Waxing Gibbous 92%

18:09

02:52

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
21 Bad
22 Bad

Sun - Rise: 07:04, Set: 19:12, Transit: 13:08. Moon - Rise: 18:09, Set: 02:52. Civil Dark: 19:46 - 06:31. Nautical Dark: 20:26 - 05:50. Astro Dark: 21:08 - 05:08

Total Clouds (% Sky Obscured)

99
98
99
99
100
100
100
100
100
100
100
82
64
48
55
60
74
85
87
85
73
71
72
72

Low Clouds (% Sky Obscured)

50
44
56
77
88
87
82
76
72
70
66
60
53
48
52
58
57
44
31
18
13
11
20
45

Medium Clouds (% Sky Obscured)

2
2
3
0
38
4
16
58
10
13
14
9
6
0
0
0
0
0
0
0
1
2
4
4

High Clouds (% Sky Obscured)

96
93
95
97
100
100
100
100
100
100
95
63
32
0
2
5
10
26
63
81
71
61
51
62

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 (%)

3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3

Precipitation Type

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

Precipitation Probability (%)

2
5
9
12
24
30
36
51
40
33
33
34
27
6
9
8
3
4
5
0
3
2
0
1

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

3
3
4
3
2
3
3
4
5
6
7
8
9
10
10
10
10
11
8
6
6
6
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
86
86
86
86
87
89
90
92
93
92
92
87
86
86
85
85
83
85
89
90
90
90
90

Pressure (mb)

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

Ozone (du)

286
286
286
286
286
286
285
288
293
300
304
302
301
301
302
302
301
301
300
299
298
298
297
296

Wednesday 23

Waxing Gibbous 92%

18:21

04:10

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
21 Bad
22 Bad

Sun - Rise: 07:06, Set: 19:09, Transit: 13:08. Moon - Rise: 18:21, Set: 04:10. Civil Dark: 19:43 - 06:32. Nautical Dark: 20:23 - 05:52. Astro Dark: 21:05 - 05:10

Total Clouds (% Sky Obscured)

70
67
72
80
88
89
94
91
90
91
92
90
86
79
85
91
97
98
99
100
93
84
70
58

Low Clouds (% Sky Obscured)

53
48
50
49
46
38
32
25
16
7
0
8
10
9
6
4
5
5
9
9
5
5
5
4

Medium Clouds (% Sky Obscured)

2
0
3
6
9
15
23
30
46
52
59
59
50
41
40
35
25
20
20
15
5
10
10
20

High Clouds (% Sky Obscured)

67
67
70
68
64
74
83
80
72
54
34
36
39
41
56
71
86
92
96
99
82
69
56
49

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 (%)

3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3

Precipitation Type

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

Precipitation Probability (%)

1
0
0
0
0
0
0
0
0
0
0
0
0
1
7
20
38
45
69
87
75
73
67
52

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.6
0.4
0.4
0.3
0

Wind Speed/Direction (mph)

6
5
6
7
7
8
8
7
7
7
8
8
8
10
11
12
13
15
13
13
13
11
10
10

Chance of Frost

Temperature (°C)

12
11
11
10
10
10
10
10
9
11
13
14
15
16
17
17
17
18
17
17
17
16
15
15

Feels Like (°C)

13
13
13
8
8
7
8
7
7
8
8
8
9
8
9
17
17
17
18
19
20
15
16
17

Dew Point (°C)

11
10
9
9
9
9
9
9
9
10
10
11
11
10
10
10
10
10
11
12
13
13
12
12

Relative Humidity (%)

92
92
91
93
93
93
95
93
95
90
84
80
75
69
65
64
63
62
68
73
81
81
80
82

Pressure (mb)

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

Ozone (du)

295
293
292
290
288
286
285
285
284
283
282
282
281
280
280
280
280
280
279
279
278
278
278
278

Thursday 24

Waxing Gibbous 97%

18:31

05:28

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 OK
18 OK

Sun - Rise: 07:08, Set: 19:07, Transit: 13:07. Moon - Rise: 18:31, Set: 05:28. Civil Dark: 19:41 - 06:34. Nautical Dark: 20:21 - 05:54. Astro Dark: 21:02 - 05:12

Total Clouds (% Sky Obscured)

52
53
58
63
67
74
73
77
71
68
61
61
51
44
42
43
46
39
34
25

Low Clouds (% Sky Obscured)

4
10
16
20
22
27
27
25
27
26
30
37
42
41
33
15
7
2
2
2

Medium Clouds (% Sky Obscured)

25
30
30
35
35
24
13
2
7
12
26
32
30
22
15
10
8
4
2
0

High Clouds (% Sky Obscured)

50
52
58
63
67
74
73
77
67
33
1
1
1
1
1
1
1
1
3
4

ISS Passover

Visibility (miles)

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

Fog (%)

3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3

Precipitation Type

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

Precipitation Probability (%)

51
51
40
33
28
18
9
4
6
12
22
20
29
35
26
23
18
11
4
7

Precipitation Amount (mm)

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
8
8
8
8
9
9
9
9
10
10
10
11
11
12
12
11
11
10
9

Chance of Frost

Temperature (°C)

14
14
13
12
12
11
11
11
10
12
14
15
15
16
16
17
17
18
17
16

Feels Like (°C)

16
16
15
12
12
11
11
11
11
11
11
11
10
11
10
17
16
16
17
18

Dew Point (°C)

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

Relative Humidity (%)

82
83
84
83
84
84
83
84
84
79
74
68
62
58
55
57
58
59
64
68

Pressure (mb)

1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1021
1021
1021
1021
1021
1021
1021
1021
1022

Ozone (du)

277
277
276
276
276
276
276
277
277
278
279
279
280
280
280
281
281
282
281
281

Forecast for Aberystwyth, Ceredigion, United Kingdom (52.42,-4.08)

Generated: 18/09/26 23:03:29. Forecast: 18/09/26 to 24/09/26. Timezone: UTC+1.00