Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 13

Waning Gibbous 89%

22:54

08:57

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 OK
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 04:52, Set: 21:20, Transit: 13:06. Moon - Rise: 22:54, Set: 08:57. Civil Dark: 22:08 - 04:05. Nautical Dark: 23:21 - 02:52. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

92
79
75
70
74
80
76
85
80
96
100
97
100
100
100
91
70
51
35
55
76
53
82
97

Low Clouds (% Sky Obscured)

63
65
49
22
41
44
52
61
43
49
62
57
54
67
38
43
38
0
0
40
76
53
49
52

Medium Clouds (% Sky Obscured)

17
17
17
11
14
14
15
20
23
32
40
50
39
30
53
46
28
25
18
20
21
14
22
11

High Clouds (% Sky Obscured)

6
9
3
13
3
6
3
3
16
50
50
41
100
100
100
38
0
0
0
0
0
0
0
40

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

Precipitation Probability (%)

1
1
2
0
0
0
0
0
0
7
17
42
22
7
5
3
1
0
0
11
5
30
25
8

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.3
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

9
10
11
10
11
11
10
8
7
7
7
6
6
6
7
7
8
9
9
10
10
12
13
16

Chance of Frost

Temperature (°C)

25
25
24
23
22
21
19
17
17
17
17
17
16
16
16
16
16
18
20
22
23
25
26
25

Feels Like (°C)

23
23
22
22
22
21
20
19
18
17
17
17
16
16
15
15
17
18
20
21
23
25
24
21

Dew Point (°C)

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

Relative Humidity (%)

53
51
51
51
55
65
78
92
95
92
88
88
95
93
95
96
93
82
63
52
54
49
43
43

Pressure (mb)

1013
1012
1012
1012
1011
1011
1011
1011
1011
1012
1012
1011
1011
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010

Ozone (du)

340
340
341
340
339
334
332
332
329
328
330
331
332
330
337
336
331
328
329
328
326
327
329
330

Monday 14

Waning Gibbous 80%

23:05

10:21

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

Sun - Rise: 04:54, Set: 21:19, Transit: 13:06. Moon - Rise: 23:05, Set: 10:21. Civil Dark: 22:06 - 04:06. Nautical Dark: 23:19 - 02:55. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

70
72
100
72
79
77
100
87
35
2
4
24
9
79
22
63
100
91
97
99
100
100
100
99

Low Clouds (% Sky Obscured)

22
46
67
56
13
0
5
0
0
0
0
0
0
0
0
0
23
38
51
60
88
67
62
65

Medium Clouds (% Sky Obscured)

3
23
37
61
79
41
60
54
2
0
2
24
5
0
0
42
54
76
76
81
100
100
100
98

High Clouds (% Sky Obscured)

40
35
89
7
47
0
0
0
0
0
1
6
4
71
22
51
100
40
45
39
50
100
57
53

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
5
2

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
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

1
0
0
1
1
0
0
4
0
0
0
0
0
0
0
0
0
0
0
10
49
95
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
0.8
1.8
2

Wind Speed/Direction (mph)

14
16
20
16
18
16
16
12
9
13
11
9
8
8
9
9
10
13
15
17
17
19
15
15

Chance of Frost

Temperature (°C)

26
27
27
23
25
24
22
21
19
18
15
13
12
11
11
11
12
14
16
17
18
19
15
14

Feels Like (°C)

22
24
23
20
20
20
17
17
16
13
13
12
11
11
9
8
9
10
13
13
14
13
12
11

Dew Point (°C)

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

Relative Humidity (%)

29
28
34
53
37
34
31
37
43
42
53
64
72
80
90
91
86
74
63
55
52
50
79
90

Pressure (mb)

1010
1009
1009
1009
1009
1009
1010
1011
1012
1012
1013
1013
1013
1013
1013
1013
1013
1012
1012
1012
1011
1011
1010
1010

Ozone (du)

332
332
333
335
339
342
347
352
358
361
362
364
361
359
359
360
359
359
359
352
349
347
345
342

Tuesday 15

Waning Gibbous 70%

23:15

11:45

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 OK
05 OK
06 OK
07 OK
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 04:55, Set: 21:18, Transit: 13:06. Moon - Rise: 23:15, Set: 11:45. Civil Dark: 22:05 - 04:08. Nautical Dark: 23:17 - 02:57. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
60
14
60
38
67
55
66
69
61
54
51
39
42
35
37
58
55
51
51
53
55

Low Clouds (% Sky Obscured)

63
75
44
57
6
60
24
36
28
38
49
42
48
51
39
40
34
37
40
42
41
40
39
38

Medium Clouds (% Sky Obscured)

100
100
94
5
7
3
12
22
20
11
13
11
5
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
95
40
5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
45
40
40
28
25
21

ISS Passover

Visibility (miles)

3
1
9
9
8
5
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

Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
95
83
72
70
28
4
5
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0

Precipitation Amount (mm)

2.3
2
0.7
0.4
0.4
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

17
17
15
15
15
12
14
16
14
15
15
15
15
14
13
12
12
12
11
10
10
9
8
7

Chance of Frost

Temperature (°C)

15
15
16
18
18
18
17
15
14
14
14
14
13
13
13
13
13
14
16
18
19
20
22
23

Feels Like (°C)

11
11
13
14
16
16
13
11
11
10
10
10
11
10
10
10
11
12
14
15
16
18
20
21

Dew Point (°C)

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

Relative Humidity (%)

90
93
90
69
70
68
75
82
82
80
82
82
80
82
83
83
83
75
67
60
54
49
44
40

Pressure (mb)

1009
1008
1008
1008
1008
1008
1008
1009
1010
1010
1011
1012
1012
1013
1013
1013
1014
1015
1015
1016
1016
1017
1017
1017

Ozone (du)

339
338
352
358
361
363
366
365
362
359
354
349
343
340
339
336
332
332
328
327
325
323
321
320

Wednesday 16

Waning Gibbous 59%

23:25

13:11

14 Bad
15 Bad
16 OK
17 OK
18 Good
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

Sun - Rise: 04:56, Set: 21:17, Transit: 13:06. Moon - Rise: 23:25, Set: 13:11. Civil Dark: 22:04 - 04:10. Nautical Dark: 23:14 - 03:00. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

56
58
32
20
17
50
56
58
68
82
94
96
98
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

45
42
26
12
0
0
0
0
0
0
0
0
0
0
31
60
87
90
94
97
88
78
69
68

Medium Clouds (% Sky Obscured)

0
0
3
3
0
0
56
58
65
65
63
74
81
92
94
97
100
55
89
94
93
87
41
38

High Clouds (% Sky Obscured)

17
14
9
11
14
30
37
43
60
76
91
96
98
100
100
100
100
100
97
64
68
67
65
57

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
1
0
15
32
44
51
52
48
41
36
21
23

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

5
4
4
6
8
7
9
7
6
5
4
4
3
3
5
5
5
4
5
4
5
5
6
7

Chance of Frost

Temperature (°C)

23
24
24
24
24
23
18
16
16
16
16
15
15
15
15
15
16
16
17
18
18
18
19
19

Feels Like (°C)

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

Dew Point (°C)

8
8
7
6
5
6
12
13
13
13
13
13
13
12
11
11
11
11
11
11
13
14
16
16

Relative Humidity (%)

38
35
33
30
30
34
66
82
79
85
82
85
85
80
79
76
74
72
67
65
72
75
84
81

Pressure (mb)

1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1015
1015
1015
1015
1015
1016
1015
1015
1015
1015

Ozone (du)

318
318
319
321
320
320
317
316
317
319
317
318
320
317
320
320
320
320
321
321
323
324
327
328

Thursday 17

Waning Gibbous 48%

23:36

No Set

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
13 Bad

Sun - Rise: 04:58, Set: 21:15, Transit: 13:06. Moon - Rise: 23:36, Set: No Set. Civil Dark: 22:02 - 04:11. Nautical Dark: 23:12 - 03:02. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
99
98
72
96
95
95
95
95
94
92
90
88
89
91
94
96
98
100
97
93
90
84

Low Clouds (% Sky Obscured)

66
68
68
65
57
59
57
54
52
52
53
58
63
68
64
60
57
62
67
73
68
65
63
62

Medium Clouds (% Sky Obscured)

35
36
31
31
31
34
43
42
42
42
37
39
40
38
32
29
24
31
30
35
32
28
25
21

High Clouds (% Sky Obscured)

54
57
44
26
12
11
11
11
19
33
43
32
18
4
24
45
68
77
81
84
56
27
0
1

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
8
8
7
8
8
9
9
9
9
9
9
8

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
Very Light Rain

Precipitation Probability (%)

18
26
42
37
25
32
33
29
25
25
19
33
36
39
39
35
25
27
32
35
43
51
60
52

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.4
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
72
67
85
92
84
93
95
95
96
96
95
96
96
96
96
96
96
92
90
86
80
75
69

Pressure (mb)

1015
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1013
1013
1013
1014
1014
1014
1014
1014
1014
1014

Ozone (du)

330
329
330
330
328
324
322
318
316
315
315
314
315
316
317
317
318
318
318
317
317
318
318
319

Friday 18

Third Quarter 36%

23:51

14:41

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
13 Bad

Sun - Rise: 04:59, Set: 21:14, Transit: 13:06. Moon - Rise: 23:51, Set: 14:41. Civil Dark: 22:01 - 04:13. Nautical Dark: 23:10 - 03:05. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

79
72
80
90
100
77
54
28
39
43
43
42
37
36
31
38
50
59
68
76
80
83
86
75

Low Clouds (% Sky Obscured)

63
63
56
54
49
41
34
28
31
33
34
37
37
36
31
38
44
45
44
46
57
64
69
54

Medium Clouds (% Sky Obscured)

13
6
9
11
10
5
3
1
6
10
15
13
10
8
9
11
16
14
20
18
26
30
34
22

High Clouds (% Sky Obscured)

1
1
29
58
87
60
33
6
5
4
2
2
2
3
4
4
6
12
30
55
56
56
57
57

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

Precipitation Probability (%)

48
49
45
53
66
58
55
55
51
40
14
25
24
18
14
10
1
9
10
5
13
17
18
13

Precipitation Amount (mm)

0
0.2
0
0.3
0.6
0.3
0.2
0.2
0.2
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
3
4
4
3
3
3
3
3
3
4
4
4
4
3
4
5
7
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
74
76
75
72
71
75
78
81
85
86
90
90
92
92
89
87
86
78
74
68
66
64
63

Pressure (mb)

1014
1014
1014
1014
1013
1013
1013
1013
1014
1014
1014
1014
1014
1014
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013

Ozone (du)

320
320
321
322
323
324
326
328
330
328
327
325
326
326
327
329
332
334
333
332
331
331
331
331

Saturday 19

Waning Crescent 25%

00:10

16:13

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

Sun - Rise: 05:00, Set: 21:13, Transit: 13:06. Moon - Rise: 00:10, Set: 16:13. Civil Dark: 21:59 - 04:15. Nautical Dark: 23:07 - 03:07. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

64
53
53
49
52
65
75
85
79
72
67
64
63
58
71
82
96

Low Clouds (% Sky Obscured)

42
31
31
32
32
47
62
77
66
53
41
39
40
38
44
50
58

Medium Clouds (% Sky Obscured)

13
3
3
3
3
3
3
2
3
3
4
8
13
19
35
40
52

High Clouds (% Sky Obscured)

62
47
47
41
40
40
45
45
44
57
60
51
43
31
35
46
76

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

7
2
2
3
0
0
0
0
0
0
0
0
1
0
2
4
1

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

9
10
11
11
11
11
9
8
8
8
7
6
6
6
6
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

20
20
19
20
19
19
16
17
17
17
17
17
13
13
14
14
13

Dew Point (°C)

13
13
13
13
13
13
13
13
12
13
13
13
13
13
14
13
13

Relative Humidity (%)

60
58
56
60
63
68
69
71
72
78
83
87
89
90
93
87
83

Pressure (mb)

1013
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012

Ozone (du)

332
332
332
332
332
331
331
332
332
331
331
330
330
330
330
331
332

Forecast for Boston, Lincolnshire, United Kingdom (52.98,-0.02)

Generated: 13/07/25 14:38:27. Forecast: 13/07/25 to 19/07/25. Timezone: UTC+1.00