Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 21

Waning Crescent 8%

01:29

18:57

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

Sun - Rise: 05:03, Set: 21:01, Transit: 13:01. Moon - Rise: 01:29, Set: 18:57. Civil Dark: 21:45 - 04:19. Nautical Dark: 22:47 - 03:18. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

96
97
100
100
92
100
100
100
100
75
1
10
30
80
7
0
0
0
20
23
62
95
55
79

Low Clouds (% Sky Obscured)

73
64
80
59
44
34
0
0
0
0
0
0
0
0
0
0
0
0
20
23
62
58
55
53

Medium Clouds (% Sky Obscured)

63
46
53
48
73
73
49
8
70
65
1
10
5
0
0
0
0
0
0
2
2
32
4
34

High Clouds (% Sky Obscured)

76
97
100
100
74
100
100
100
100
75
1
10
17
40
4
0
0
0
20
15
21
36
2
0

ISS Passover

Visibility (miles)

9
8
9
9
9
9
9
4
9
7
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
Very Light Rain
None
None
Very Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

38
45
74
56
62
68
95
69
67
56
36
7
1
0
0
0
0
0
0
0
0
1
5
30

Precipitation Amount (mm)

0
0
0.3
0
0
0.2
1.1
0.3
0.6
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

18
18
18
18
18
19
19
18
17
15
14
14
13
15
15
15
14
13
14
14
17
18
20
21

Dew Point (°C)

14
14
13
14
14
14
14
14
14
14
14
14
14
14
14
13
13
13
13
14
14
14
13
13

Relative Humidity (%)

75
72
67
68
69
69
69
77
78
85
89
89
90
92
93
92
92
90
87
82
77
68
60
56

Pressure (mb)

999
1000
1000
1000
1001
1001
1001
1002
1003
1003
1004
1004
1004
1005
1005
1005
1006
1006
1007
1008
1008
1008
1009
1009

Ozone (du)

353
353
354
353
353
354
355
355
354
353
352
352
350
350
352
348
345
344
342
340
338
335
335
335

Tuesday 22

Waning Crescent 3%

02:35

20:03

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 05:04, Set: 21:00, Transit: 13:01. Moon - Rise: 02:35, Set: 20:03. Civil Dark: 21:43 - 04:21. Nautical Dark: 22:45 - 03:20. Astro Dark: N/A - 01:17

Total Clouds (% Sky Obscured)

100
97
97
94
78
76
60
65
74
60
62
83
85
100
100
100
100
100
96
87
74
76
67
80

Low Clouds (% Sky Obscured)

75
60
62
48
41
48
27
46
51
39
30
31
27
14
12
21
33
47
57
50
39
64
58
73

Medium Clouds (% Sky Obscured)

53
66
60
29
29
23
18
23
26
22
25
35
36
31
31
27
23
33
25
43
35
21
21
38

High Clouds (% Sky Obscured)

35
55
13
0
2
3
0
0
1
2
0
0
1
76
65
60
60
61
67
2
2
1
1
0

ISS Passover

Visibility (miles)

6
6
8
3
5
5
2
2
3
5
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
Light Rain
Light Rain
None
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

49
49
67
71
54
69
83
70
65
40
12
8
6
3
4
7
8
10
6
4
3
2
1
4

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

56
64
71
65
68
70
78
82
86
90
93
93
92
90
93
93
90
92
87
82
73
63
57
51

Pressure (mb)

1009
1009
1010
1010
1010
1010
1010
1010
1011
1011
1011
1011
1011
1011
1011
1011
1011
1012
1012
1012
1012
1012
1012
1012

Ozone (du)

338
339
344
345
346
349
349
352
353
352
352
352
353
353
353
353
354
354
354
355
355
355
355
355

Wednesday 23

Waning Crescent 0%

03:56

20:49

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 05:06, Set: 20:58, Transit: 13:01. Moon - Rise: 03:56, Set: 20:49. Civil Dark: 21:42 - 04:23. Nautical Dark: 22:43 - 03:22. Astro Dark: 00:46 - 01:31

Total Clouds (% Sky Obscured)

84
69
100
100
98
93
81
96
100
89
63
100
95
92
99
82
78
72
70
71
72
79
84
91

Low Clouds (% Sky Obscured)

51
55
64
70
42
54
32
0
28
39
38
25
0
0
40
55
68
67
68
69
71
71
70
70

Medium Clouds (% Sky Obscured)

41
22
23
22
17
3
11
62
77
50
21
26
19
20
39
18
37
59
29
7
31
50
57
74

High Clouds (% Sky Obscured)

0
0
55
66
76
75
70
68
69
70
5
66
56
68
65
52
33
2
2
20
40
32
17
1

ISS Passover

Visibility (miles)

9
9
9
9
9
9
8
4
8
9
9
9
9
9
9
9
9
9
9
9
5
8
4
5

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

Precipitation Probability (%)

16
23
29
61
78
90
92
66
30
9
5
6
7
10
11
21
21
25
29
37
39
56
67
61

Precipitation Amount (mm)

0
0
0
0
0.5
0.7
0.9
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.5
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

10
10
10
13
14
13
13
14
14
14
14
14
14
14
14
13
14
14
14
15
15
14
14
14

Relative Humidity (%)

47
46
45
58
68
66
70
81
85
87
92
92
90
90
93
93
95
95
92
89
82
75
71
70

Pressure (mb)

1012
1012
1012
1012
1012
1012
1012
1013
1013
1013
1013
1013
1013
1013
1013
1013
1014
1014
1015
1015
1015
1015
1015
1015

Ozone (du)

355
354
352
350
348
346
345
343
340
341
340
340
339
339
340
340
341
342
342
340
340
342
342
342

Thursday 24

New Moon 0%

05:24

21:20

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 05:07, Set: 20:57, Transit: 13:01. Moon - Rise: 05:24, Set: 21:20. Civil Dark: 21:40 - 04:24. Nautical Dark: 22:41 - 03:25. Astro Dark: 00:32 - 01:41

Total Clouds (% Sky Obscured)

92
93
86
75
59
34
27
55
40
51
64
66
68
74
75
65
62
53
69
74
79
84
90
50

Low Clouds (% Sky Obscured)

67
65
62
41
21
0
0
0
0
5
10
16
20
28
29
19
10
4
13
20
31
44
60
50

Medium Clouds (% Sky Obscured)

54
34
35
12
5
0
0
0
0
0
0
0
0
0
0
0
0
0
5
9
12
15
15
17

High Clouds (% Sky Obscured)

3
9
0
0
0
0
0
0
0
0
0
0
0
0
0
4
5
10
17
3
1
0
0
2

ISS Passover

Visibility (miles)

6
8
9
9
8
9
9
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
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 (%)

49
37
40
37
25
23
37
29
18
1
2
7
9
11
1
2
0
0
0
1
1
1
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

14
14
14
14
14
15
14
15
14
14
14
14
14
14
14
14
14
14
14
15
15
16
15
15

Relative Humidity (%)

70
69
65
62
67
71
69
78
79
83
85
87
86
87
89
90
90
90
86
83
82
80
75
66

Pressure (mb)

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

Ozone (du)

339
338
339
338
336
333
332
331
332
334
333
333
330
327
325
323
320
315
312
311
310
308
307
306

Friday 25

Waxing Crescent 1%

06:49

21:40

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 OK
03 OK
04 OK
05 Bad
06 Bad
07 Bad
08 OK
09 OK
10 OK
11 OK
12 Bad

Sun - Rise: 05:09, Set: 20:56, Transit: 13:01. Moon - Rise: 06:49, Set: 21:40. Civil Dark: 21:38 - 04:26. Nautical Dark: 22:38 - 03:27. Astro Dark: 00:22 - 01:48

Total Clouds (% Sky Obscured)

58
73
74
72
63
61
61
62
66
70
74
77
61
46
31
44
59
68
52
38
23
32
41
51

Low Clouds (% Sky Obscured)

58
59
52
50
48
47
48
49
54
53
47
45
40
35
30
42
54
67
49
31
14
24
34
45

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

0
0
3
0
0
1
10
5
3
0
0
0
0
0
0
0
0
0
0
0
0
4
10
16

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 (%)

5
3
0
1
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)

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

Chance of Frost

Temperature (°C)

23
24
24
24
24
23
22
22
21
20
20
20
19
18
17
16
16
16
16
17
18
20
21
22

Feels Like (°C)

24
24
23
24
24
24
23
22
21
20
19
19
19
19
18
18
17
17
17
16
16
16
16
17

Dew Point (°C)

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

Relative Humidity (%)

58
56
56
58
58
64
74
73
76
77
75
70
71
72
74
75
74
73
72
64
57
51
50
47

Pressure (mb)

1018
1018
1017
1017
1017
1017
1017
1017
1017
1018
1017
1017
1017
1018
1018
1018
1018
1019
1019
1019
1019
1019
1019
1019

Ozone (du)

305
304
303
301
299
298
298
296
296
296
296
296
297
298
300
302
302
303
303
301
300
298
298
299

Saturday 26

Waxing Crescent 4%

08:11

21:55

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 05:10, Set: 20:54, Transit: 13:01. Moon - Rise: 08:11, Set: 21:55. Civil Dark: 21:37 - 04:28. Nautical Dark: 22:36 - 03:29. Astro Dark: 00:14 - 01:55

Total Clouds (% Sky Obscured)

60
69
80
81
84
86
87
94
98
99
99
98
99
99
96
89
79
84
80
77
71
74
77
83

Low Clouds (% Sky Obscured)

43
40
39
44
49
50
47
45
42
40
39
40
51
62
68
64
61
57
50
43
36
38
40
45

Medium Clouds (% Sky Obscured)

16
28
39
40
39
36
26
5
0
0
5
19
29
34
38
27
23
10
8
6
4
23
41
58

High Clouds (% Sky Obscured)

24
31
39
39
43
53
64
80
91
65
33
0
33
67
96
67
35
10
20
25
30
40
50
65

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
1
0
0
0
0
0
17
24
17
17
11
3
5
4
2
3
2
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)

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

Chance of Frost

Temperature (°C)

23
23
23
24
23
23
23
21
19
17
17
17
16
16
15
15
15
15
15
16
17
18
19
20

Feels Like (°C)

17
22
22
21
21
21
22
20
19
18
17
17
16
14
14
14
14
13
13
12
12
13
13
13

Dew Point (°C)

11
11
10
10
10
10
10
10
10
10
10
10
10
10
11
11
11
11
11
11
11
10
11
11

Relative Humidity (%)

46
45
43
41
43
44
45
50
54
60
63
65
67
69
74
79
78
74
73
68
64
59
56
53

Pressure (mb)

1019
1019
1019
1018
1018
1018
1018
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1020
1020
1020
1020
1020

Ozone (du)

299
304
308
313
315
317
320
321
321
322
323
324
325
325
324
324
323
322
322
320
319
317
317
316

Sunday 27

Waxing Crescent 9%

09:28

22:06

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 OK
03 OK
04 Bad
05 Bad
06 Bad

Sun - Rise: 05:12, Set: 20:53, Transit: 13:01. Moon - Rise: 09:28, Set: 22:06. Civil Dark: 21:35 - 04:30. Nautical Dark: 22:33 - 03:32. Astro Dark: 00:08 - 02:01

Total Clouds (% Sky Obscured)

83
84
86
87
88
89
77
64
51
49
51
55
48
44
38
57
73
73

Low Clouds (% Sky Obscured)

42
39
38
55
69
84
65
48
36
43
47
54
40
27
15
11
7
3

Medium Clouds (% Sky Obscured)

51
42
33
53
68
82
77
64
51
49
51
55
48
28
6
27
43
57

High Clouds (% Sky Obscured)

66
62
59
43
22
4
26
48
51
49
48
30
29
31
28
23
17
13

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

0
0
0
3
3
1
5
5
2
2
1
0
1
2
2
3
2
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

14
18
17
17
17
18
18
17
17
18
17
18
17
15
15
15
15
14

Dew Point (°C)

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

Relative Humidity (%)

49
47
44
42
44
47
50
52
54
57
59
61
62
65
67
69
67
63

Pressure (mb)

1020
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019

Ozone (du)

316
315
314
314
314
314
315
314
314
313
312
311
310
309
308
307
306
304

Forecast for Ipswich, Suffolk, United Kingdom (52.06,1.15)

Generated: 21/07/25 13:14:22. Forecast: 21/07/25 to 27/07/25. Timezone: UTC+1.00