Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 10

Waning Crescent 0%

06:50

19:06

18 Bad
19 Bad
20 Bad
21 Bad
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 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 06:33, Set: 19:28, Transit: 12:59. Moon - Rise: 06:50, Set: 19:06. Civil Dark: 20:01 - 05:59. Nautical Dark: 20:41 - 05:19. Astro Dark: 21:24 - 04:37

Total Clouds (% Sky Obscured)

83
87
90
92
100
100
100
81
72
63
36
30
27
31
29
34
38
60
69
96
98
87
79
55

Low Clouds (% Sky Obscured)

18
61
90
84
95
95
100
76
72
63
34
22
8
16
14
22
22
19
19
24
48
65
69
55

Medium Clouds (% Sky Obscured)

13
14
42
58
100
100
100
12
32
0
1
5
8
5
4
6
5
4
0
9
12
9
10
0

High Clouds (% Sky Obscured)

83
87
90
92
100
20
30
0
0
0
0
0
0
0
0
0
1
60
69
96
79
31
2
2

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
6
5
7
6
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
1
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

0
0
0
67
32
69
68
66
52
55
38
12
6
2
1
2
4
6
7
0
0
1
0
3

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

13
11
10
10
11
12
12
11
8
8
6
4
4
4
4
8
7
7
8
7
7
8
7
8

Chance of Frost

Temperature (°C)

18
17
17
16
16
16
16
16
16
16
15
14
14
14
15
17
18
19
20
20
21
21
21
21

Feels Like (°C)

15
15
14
14
13
14
14
15
15
14
16
16
15
15
17
18
18
19
20
20
19
19
19
19

Dew Point (°C)

12
13
13
12
13
14
14
15
15
14
14
14
13
13
13
12
12
11
10
10
9
10
12
12

Relative Humidity (%)

69
77
78
75
82
85
87
90
92
92
96
96
93
93
86
75
67
61
55
50
46
48
54
56

Pressure (mb)

1017
1017
1017
1017
1017
1017
1017
1017
1016
1016
1016
1017
1017
1018
1019
1019
1020
1020
1021
1021
1021
1021
1021
1021

Ozone (du)

301
299
300
302
307
313
315
312
310
310
311
313
312
311
312
312
311
311
308
305
303
301
299
299

Friday 11

New Moon 2%

08:10

19:19

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

Sun - Rise: 06:34, Set: 19:25, Transit: 12:59. Moon - Rise: 08:10, Set: 19:19. Civil Dark: 19:59 - 06:01. Nautical Dark: 20:39 - 05:21. Astro Dark: 21:21 - 04:39

Total Clouds (% Sky Obscured)

46
10
13
56
73
59
26
44
35
27
32
9
15
27
64
86
73
79
87
95
90
97
87
90

Low Clouds (% Sky Obscured)

42
2
13
0
0
0
0
0
0
0
0
0
0
0
25
25
42
71
64
81
72
76
69
66

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
3
3
8
3
6
6
0
0
7
8
3
7
4
5

High Clouds (% Sky Obscured)

13
2
1
35
63
46
26
31
35
21
22
2
2
2
17
18
9
5
27
24
22
82
4
25

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
18
10
5
2
2
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
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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)

8
6
5
4
5
4
4
3
3
3
3
2
3
3
3
5
8
10
12
13
14
14
15
14

Chance of Frost

Temperature (°C)

20
19
17
16
15
14
13
13
12
11
11
10
10
10
12
15
17
18
19
19
20
19
19
19

Feels Like (°C)

19
17
18
17
14
13
12
13
11
12
12
11
11
11
13
14
14
16
17
16
17
17
17
17

Dew Point (°C)

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

Relative Humidity (%)

62
73
82
78
73
75
78
80
81
81
81
81
85
85
79
68
58
51
50
55
60
63
58
59

Pressure (mb)

1021
1022
1022
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1024
1024
1023
1023
1023
1023
1022
1022
1022

Ozone (du)

299
299
297
296
296
295
294
293
292
292
291
290
289
289
289
289
291
292
293
293
293
294
295
297

Saturday 12

Waxing Crescent 7%

09:28

19:31

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
08 Bad
09 OK
10 Bad
11 OK
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 06:36, Set: 19:23, Transit: 12:58. Moon - Rise: 09:28, Set: 19:31. Civil Dark: 19:56 - 06:03. Nautical Dark: 20:36 - 05:23. Astro Dark: 21:19 - 04:41

Total Clouds (% Sky Obscured)

97
93
87
97
100
100
100
100
100
98
100
100
100
71
45
34
100
29
47
67
82
82
87
95

Low Clouds (% Sky Obscured)

28
26
28
44
70
77
73
83
82
83
88
70
53
52
45
34
40
29
28
31
30
34
25
13

Medium Clouds (% Sky Obscured)

94
85
10
92
93
71
99
99
99
97
98
97
32
2
4
0
0
0
0
0
0
0
1
95

High Clouds (% Sky Obscured)

66
42
87
84
100
100
100
100
100
84
100
98
73
5
7
1
99
0
13
20
29
37
58
79

ISS Passover

Visibility (miles)

9
9
9
8
9
9
9
9
6
7
7
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
25
24
6
7
21
44
45
40
36
26
10
13
4
3
4
4
2
2
1
0
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)

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

Chance of Frost

Temperature (°C)

19
18
18
17
17
17
18
18
18
18
18
17
17
17
18
18
19
20
21
22
22
22
22
22

Feels Like (°C)

17
16
16
16
16
17
17
17
17
17
17
17
17
16
18
18
19
18
20
19
19
20
20
19

Dew Point (°C)

12
14
15
16
16
16
16
17
17
17
17
17
17
15
16
16
15
15
14
13
12
11
12
11

Relative Humidity (%)

65
76
85
92
90
89
90
92
93
96
96
95
96
85
89
83
76
71
65
56
51
49
51
52

Pressure (mb)

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

Ozone (du)

296
297
296
296
295
293
292
290
290
292
296
300
304
305
300
299
297
297
295
293
293
291
289
288

Sunday 13

Waxing Crescent 13%

10:45

19:45

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 06:37, Set: 19:21, Transit: 12:58. Moon - Rise: 10:45, Set: 19:45. Civil Dark: 19:54 - 06:04. Nautical Dark: 20:34 - 05:25. Astro Dark: 21:16 - 04:43

Total Clouds (% Sky Obscured)

100
100
100
100
98
97
95
93
87
83
75
52
55
52
47
54
61
79
80
82
89
94
75
51

Low Clouds (% Sky Obscured)

0
4
8
14
13
14
14
15
18
18
11
16
55
52
39
52
56
79
78
77
85
86
60
27

Medium Clouds (% Sky Obscured)

81
93
75
68
5
1
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
3
3
3

High Clouds (% Sky Obscured)

100
100
100
100
96
91
87
82
73
66
51
22
1
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
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
1
2
2
7
3
0
0
1
0
1
1
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)

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

Chance of Frost

Temperature (°C)

21
20
19
18
17
16
15
15
15
15
15
15
15
15
17
18
20
21
22
22
23
23
22
22

Feels Like (°C)

20
20
19
18
16
15
15
14
15
15
16
16
16
14
16
18
21
22
22
22
22
22
22
22

Dew Point (°C)

12
13
12
12
12
13
13
13
13
13
13
13
13
11
11
13
14
15
16
17
16
15
16
15

Relative Humidity (%)

56
62
64
67
73
81
85
87
89
90
90
90
89
75
71
70
70
70
70
69
65
63
68
66

Pressure (mb)

1022
1022
1023
1023
1023
1024
1024
1023
1023
1023
1023
1023
1023
1023
1024
1024
1024
1024
1024
1023
1023
1023
1022
1022

Ozone (du)

286
286
285
285
284
283
281
279
279
278
277
278
278
281
282
282
282
284
284
284
284
284
286
286

Monday 14

Waxing Crescent 21%

12:02

20:01

18 OK
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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 06:39, Set: 19:19, Transit: 12:58. Moon - Rise: 12:02, Set: 20:01. Civil Dark: 19:52 - 06:06. Nautical Dark: 20:31 - 05:26. Astro Dark: 21:13 - 04:45

Total Clouds (% Sky Obscured)

48
53
58
62
66
96
100
100
98
77
95
89
84
89
72
59
58
58
55
48
41
33
32
28

Low Clouds (% Sky Obscured)

23
22
21
19
27
30
34
20
11
4
7
8
11
3
3
2
2
2
2
7
12
16
19
21

Medium Clouds (% Sky Obscured)

3
5
5
5
30
84
94
78
34
4
95
89
84
70
41
12
28
45
55
41
21
0
0
0

High Clouds (% Sky Obscured)

0
19
36
49
57
60
91
100
96
77
57
64
57
89
72
59
58
31
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
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
3
5
3
42
32
10
11
10
7
23
33
38
42
36

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

Chance of Frost

Temperature (°C)

21
20
19
19
18
18
18
19
19
19
19
18
18
17
17
17
18
18
19
19
19
20
20
19

Feels Like (°C)

21
21
21
21
21
20
19
19
19
19
19
18
18
17
16
15
15
16
16
16
20
20
20
20

Dew Point (°C)

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

Relative Humidity (%)

73
84
92
95
95
95
96
96
96
96
96
96
96
95
85
76
67
64
61
58
61
65
67
65

Pressure (mb)

1021
1021
1021
1021
1020
1020
1019
1018
1017
1017
1016
1015
1015
1015
1017
1017
1017
1017
1016
1016
1016
1016
1015
1016

Ozone (du)

285
285
284
283
286
285
282
281
283
283
282
282
281
282
284
286
288
293
297
302
306
310
313
320

Tuesday 15

Waxing Crescent 30%

13:16

20:21

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

Sun - Rise: 06:40, Set: 19:16, Transit: 12:57. Moon - Rise: 13:16, Set: 20:21. Civil Dark: 19:49 - 06:07. Nautical Dark: 20:29 - 05:28. Astro Dark: 21:11 - 04:47

Total Clouds (% Sky Obscured)

28
21
16
11
9
7
4
9
16
25
25
23
17
28
40
45
54
69
85
87
88
87
91
94

Low Clouds (% Sky Obscured)

24
20
16
11
8
5
1
0
0
0
2
3
5
11
17
23
42
62
82
85
88
87
91
94

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

0
0
0
0
0
1
2
3
4
10
13
13
0
9
19
28
24
23
40
27
15
0
15
29

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 (%)

24
15
9
7
11
14
11
7
3
0
0
0
0
0
0
0
11
10
6
31
33
25
28
36

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)

13
12
11
10
10
10
10
9
9
9
9
9
9
9
10
12
14
12
11
10
10
10
10
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

20
20
15
14
14
14
14
14
11
11
12
11
11
11
11
10
11
12
12
13
15
15
15
15

Dew Point (°C)

11
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
11
10
9
9
9

Relative Humidity (%)

63
62
65
68
73
75
80
83
87
89
92
92
92
92
84
76
70
69
68
67
63
58
53
60

Pressure (mb)

1016
1016
1017
1017
1018
1018
1018
1019
1019
1019
1019
1020
1020
1020
1021
1021
1022
1022
1022
1022
1022
1021
1021
1021

Ozone (du)

326
332
332
333
334
334
335
336
336
336
336
335
334
333
334
336
338
334
331
327
325
322
320
319

Wednesday 16

Waxing Crescent 39%

14:25

20:48

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 06:42, Set: 19:14, Transit: 12:57. Moon - Rise: 14:25, Set: 20:48. Civil Dark: 19:47 - 06:09. Nautical Dark: 20:27 - 05:30. Astro Dark: 21:08 - 04:48

Total Clouds (% Sky Obscured)

99
96
93
91
89
86
82
81
80
79
81
85
90
83
76
68
76
84
91

Low Clouds (% Sky Obscured)

99
84
70
59
60
63
69
52
32
9
8
7
5
3
2
0
0
0
1

Medium Clouds (% Sky Obscured)

0
15
30
45
52
59
66
67
67
67
49
31
17
40
66
68
76
84
90

High Clouds (% Sky Obscured)

44
58
73
87
82
75
68
54
36
24
16
12
12
13
14
15
15
14
19

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

29
21
22
20
17
14
8
9
8
2
3
3
2
4
2
0
0
1
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

16
15
15
14
14
13
12
12
11
11
11
11
11
11
12
14
15
16
17

Feels Like (°C)

17
17
14
13
13
13
12
12
10
10
10
11
11
11
10
11
11
12
11

Dew Point (°C)

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

Relative Humidity (%)

66
75
78
80
84
84
86
86
87
87
88
88
90
88
81
74
68
61
54

Pressure (mb)

1021
1021
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022

Ozone (du)

318
317
314
312
310
309
309
308
307
307
306
305
305
304
304
304
304
303
303

Forecast for Chichester, West Sussex, United Kingdom (50.84,-0.77)

Generated: 10/09/26 18:46:02. Forecast: 10/09/26 to 16/09/26. Timezone: UTC+1.00