Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 10

Waning Crescent 0%

06:50

19:19

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

Sun - Rise: 06:33, Set: 19:25, Transit: 12:59. Moon - Rise: 06:50, Set: 19:19. Civil Dark: 19:59 - 05:59. Nautical Dark: 20:39 - 05:19. Astro Dark: 21:24 - 04:37

Total Clouds (% Sky Obscured)

96
97
98
100
97
85
73
21
17
29
41
37
38
30
27
40
64
97
100
60
64
31
6
3

Low Clouds (% Sky Obscured)

96
97
98
99
96
85
73
20
11
15
11
14
23
17
17
24
39
53
76
56
64
22
3
0

Medium Clouds (% Sky Obscured)

96
97
90
22
34
6
1
0
0
8
11
9
7
8
5
7
4
7
9
2
4
0
0
0

High Clouds (% Sky Obscured)

96
97
29
0
0
0
0
0
0
0
0
0
0
0
0
40
64
82
100
16
26
6
0
2

ISS Passover

Visibility (miles)

9
9
6
9
5
4
7
7
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
1
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

41
43
64
60
76
60
64
28
10
3
2
3
4
2
7
7
2
1
0
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

9
9
10
12
11
10
8
6
5
4
4
4
8
7
7
7
7
7
7
8
7
6
5
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

13
15
15
15
15
16
16
15
14
13
13
13
12
12
11
10
9
8
8
8
8
10
12
13

Relative Humidity (%)

76
85
88
89
90
95
95
96
95
93
92
87
75
70
61
52
47
44
43
42
43
50
64
78

Pressure (mb)

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

Ozone (du)

305
310
315
315
312
310
311
313
314
314
313
313
314
312
310
310
311
309
307
305
304
303
301
300

Friday 11

New Moon 2%

08:10

19:31

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

Sun - Rise: 06:34, Set: 19:23, Transit: 12:59. Moon - Rise: 08:10, Set: 19:31. Civil Dark: 19:56 - 06:01. Nautical Dark: 20:36 - 05:21. Astro Dark: 21:21 - 04:39

Total Clouds (% Sky Obscured)

35
40
46
15
49
24
17
95
48
44
84
83
48
41
74
62
50
51
62
84
95
85
92
88

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
8
13
6
13
22
28
33
34
26
53
42
43
52
43
56
37
55
40

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
1
5
4
8
8
9
7
7
3
3
2
4
5
5
6
8
10

High Clouds (% Sky Obscured)

22
25
28
15
23
12
7
86
22
20
24
27
6
2
21
2
1
51
35
59
73
29
71
48

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
18
10
5
2
2
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
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
2
4
6

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
4
4
4
4
3
3
3
4
6
10
12
13
14
15
16
15
13
13
12
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
70
71
76
80
83
83
84
85
88
87
80
70
60
49
44
44
46
50
52
56
64
71
79

Pressure (mb)

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

Ozone (du)

299
298
296
296
295
294
293
293
293
292
291
290
291
292
293
294
294
296
296
296
297
296
296
295

Saturday 12

Waxing Crescent 7%

09:28

19:45

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: 06:36, Set: 19:21, Transit: 12:58. Moon - Rise: 09:28, Set: 19:45. Civil Dark: 19:54 - 06:03. Nautical Dark: 20:34 - 05:23. Astro Dark: 21:19 - 04:41

Total Clouds (% Sky Obscured)

99
99
96
100
100
100
100
100
100
100
100
98
98
98
85
85
61
73
49
92
100
100
93
84

Low Clouds (% Sky Obscured)

28
34
32
45
54
50
43
80
99
95
93
97
96
92
78
55
61
63
36
29
23
20
18
15

Medium Clouds (% Sky Obscured)

34
74
49
83
76
52
100
100
100
100
100
97
95
22
3
4
0
3
2
5
5
29
89
9

High Clouds (% Sky Obscured)

82
91
47
100
85
87
54
83
100
100
100
30
9
35
35
40
9
51
28
80
100
100
79
56

ISS Passover

Visibility (miles)

9
9
9
9
9
9
8
7
7
3
0
1
7
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

5
3
10
20
20
30
63
79
95
95
89
57
27
13
6
14
10
5
0
6
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0.3
0.4
1.8
1.2
0.7
0.2
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

11
10
10
9
10
9
9
10
10
10
10
9
10
10
11
11
9
9
10
9
8
5
3
3

Chance of Frost

Temperature (°C)

17
17
17
18
17
17
18
18
18
18
18
18
18
19
21
21
22
23
24
24
24
23
21
19

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
86
85
86
86
89
90
90
93
96
98
98
96
91
82
79
74
58
51
50
52
59
66
73

Pressure (mb)

1023
1022
1022
1022
1022
1021
1021
1021
1021
1021
1021
1021
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1023

Ozone (du)

295
295
293
292
289
288
289
288
288
288
286
290
291
290
291
291
291
289
286
285
284
285
284
283

Sunday 13

Waxing Crescent 13%

10:45

20:01

21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 OK
06 OK
07 OK
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: 06:37, Set: 19:19, Transit: 12:58. Moon - Rise: 10:45, Set: 20:01. Civil Dark: 19:52 - 06:04. Nautical Dark: 20:31 - 05:25. Astro Dark: 21:16 - 04:43

Total Clouds (% Sky Obscured)

77
83
91
100
83
69
53
44
35
36
27
71
90
91
76
73
79
79
75
73
64
60
55
48

Low Clouds (% Sky Obscured)

15
19
21
23
17
10
4
3
2
1
13
71
84
91
44
37
50
52
48
47
20
19
19
22

Medium Clouds (% Sky Obscured)

48
5
2
0
3
5
5
5
0
0
1
5
7
6
5
4
3
2
1
3
6
10
7
6

High Clouds (% Sky Obscured)

35
56
78
100
77
58
41
31
22
24
1
1
1
0
0
0
0
0
0
2
3
4
3
1

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
1
2
6
9
8
4
4
1
4
4
1
1
0
0
0
2

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)

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

Chance of Frost

Temperature (°C)

18
17
16
16
16
15
15
15
15
14
14
16
18
20
21
22
23
23
22
22
22
21
20
19

Feels Like (°C)

17
16
16
15
15
14
14
14
14
14
14
18
18
20
22
23
23
22
22
22
22
22
23
22

Dew Point (°C)

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

Relative Humidity (%)

79
82
86
87
89
93
95
95
93
95
95
90
86
85
74
68
67
71
68
73
74
77
89
93

Pressure (mb)

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

Ozone (du)

283
283
282
282
281
280
280
279
279
279
280
280
281
281
280
280
280
280
279
279
279
280
282
284

Monday 14

Waxing Crescent 21%

12:02

20:21

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 OK
20 OK

Sun - Rise: 06:39, Set: 19:16, Transit: 12:58. Moon - Rise: 12:02, Set: 20:21. Civil Dark: 19:49 - 06:06. Nautical Dark: 20:29 - 05:26. Astro Dark: 21:13 - 04:45

Total Clouds (% Sky Obscured)

74
80
84
81
85
52
52
81
84
88
99
99
100
100
69
62
67
68
74
53
46
48
33
17

Low Clouds (% Sky Obscured)

28
33
32
38
39
41
39
40
36
34
31
31
29
19
14
14
20
30
40
42
46
48
33
16

Medium Clouds (% Sky Obscured)

70
60
84
77
85
9
7
49
60
10
59
5
100
84
5
5
4
5
2
1
1
0
0
0

High Clouds (% Sky Obscured)

40
37
35
11
5
4
5
36
53
82
94
95
95
96
69
62
55
55
65
50
27
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

0
2
3
1
1
1
0
0
0
0
4
9
10
33
47
49
69
57
43
37
28
15
12
8

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
96
96
96
95
95
95
95
95
96
96
89
82
72
62
61
62
63
64
66
65
65
64
68

Pressure (mb)

1022
1021
1021
1021
1020
1020
1019
1018
1018
1018
1017
1017
1017
1016
1016
1016
1015
1015
1015
1015
1015
1016
1016
1017

Ozone (du)

289
294
290
292
292
291
290
289
287
288
288
286
286
288
289
291
293
298
302
307
310
314
317
321

Tuesday 15

Waxing Crescent 30%

13:16

20:48

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

Sun - Rise: 06:40, Set: 19:14, Transit: 12:57. Moon - Rise: 13:16, Set: 20:48. Civil Dark: 19:47 - 06:07. Nautical Dark: 20:27 - 05:28. Astro Dark: 21:11 - 04:47

Total Clouds (% Sky Obscured)

2
3
3
0
6
11
16
20
23
26
33
39
43
42
42
42
59
75
94
80
70
58
72
86

Low Clouds (% Sky Obscured)

0
0
0
0
2
3
5
8
12
15
17
17
18
19
21
23
46
69
92
77
62
47
65
82

Medium Clouds (% Sky Obscured)

0
0
0
0
2
3
4
7
9
12
14
17
18
13
8
4
4
3
2
4
2
3
4
4

High Clouds (% Sky Obscured)

0
0
0
0
5
9
13
9
5
1
18
23
26
20
19
18
24
18
15
6
7
8
17
26

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
2
1
0
1
2
2
4
4
2
3
3
1
8
8
3
8
10
3
7
8
4
7
9

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
6
6
6
6
6
6
6
6
6
6
7
9
10
11
12
13
12
12
12
11
11
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

14
14
14
13
13
11
11
12
11
11
11
10
10
11
12
12
14
16
15
15
15
14
14
13

Dew Point (°C)

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

Relative Humidity (%)

73
79
81
83
84
86
88
90
90
91
91
80
70
61
59
55
52
51
52
51
52
52
53
56

Pressure (mb)

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

Ozone (du)

326
330
331
331
331
331
331
330
332
333
334
336
338
340
339
339
338
334
329
325
322
319
317
315

Wednesday 16

Waxing Crescent 39%

14:25

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
18 Bad

Sun - Rise: 06:42, Set: 19:12, Transit: 12:57. Moon - Rise: 14:25, Set: No Set. Civil Dark: 19:45 - 06:09. Nautical Dark: 20:24 - 05:30. Astro Dark: 21:08 - 04:48

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
93
86
83
91
96
100
92
85
77

Low Clouds (% Sky Obscured)

100
86
72
58
39
19
0
14
31
46
62
77
90
93
86
83
91
91
89
87
85
77

Medium Clouds (% Sky Obscured)

5
22
39
54
69
85
100
99
99
98
95
91
87
91
86
83
91
96
100
70
40
9

High Clouds (% Sky Obscured)

38
61
80
100
90
83
85
81
73
61
62
69
81
75
66
63
75
85
97
65
33
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

Fog (%)

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

Precipitation Probability (%)

7
18
25
31
36
37
38
38
36
33
29
24
17
21
20
15
21
21
17
21
24
24

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

59
63
68
72
76
79
80
81
80
79
79
78
75
73
74
74
76
73
70
67
73
79

Pressure (mb)

1019
1019
1019
1019
1018
1018
1017
1017
1017
1016
1016
1016
1016
1016
1016
1016
1016
1016
1015
1015
1015
1015

Ozone (du)

313
311
310
308
307
307
307
307
307
307
307
305
304
303
301
300
298
300
302
303
303
302

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

Generated: 10/09/26 21:04:47. Forecast: 10/09/26 to 16/09/26. Timezone: UTC+1.00