Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 26

Waxing Gibbous 93%

19:52

02:10

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 OK
21 Bad
22 OK
23 OK
00 Good
01 Good
02 Good
03 Good
04 Good
05 Good

Sun - Rise: 05:11, Set: 21:03, Transit: 13:06. Moon - Rise: 19:52, Set: 02:10. Civil Dark: 21:47 - 04:27. Nautical Dark: 22:50 - 03:25. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
96
64
80
81
93
74
92
66
74
88
66
57
41
43
38
30
5
9
2
0
0
0

Low Clouds (% Sky Obscured)

92
85
31
52
70
73
75
64
60
45
58
51
43
34
21
11
10
14
5
0
0
0
0
0

Medium Clouds (% Sky Obscured)

40
23
18
17
17
13
29
11
30
27
16
31
24
31
31
33
26
25
0
8
2
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
2
0
0
0
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
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Light Rain
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 (%)

70
42
29
8
11
5
9
1
1
2
1
2
5
4
3
2
1
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.5
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)

11
13
14
18
19
20
20
21
20
21
21
21
19
19
17
15
15
14
13
11
11
11
10
8

Chance of Frost

Temperature (°C)

17
17
19
20
22
23
23
24
24
22
23
23
22
21
20
19
18
17
17
16
15
14
14
13

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
85
82
70
63
57
50
46
44
51
42
43
49
53
60
67
73
77
78
79
79
86
90
95

Pressure (mb)

1002
1002
1002
1002
1002
1002
1003
1003
1003
1004
1005
1005
1006
1007
1008
1008
1009
1010
1011
1011
1012
1013
1013
1014

Ozone (du)

332
336
340
340
342
341
338
335
335
334
335
334
334
334
333
334
335
337
338
337
337
338
338
337

Monday 27

Waxing Gibbous 97%

20:28

03:18

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

Sun - Rise: 05:12, Set: 21:02, Transit: 13:06. Moon - Rise: 20:28, Set: 03:18. Civil Dark: 21:46 - 04:28. Nautical Dark: 22:48 - 03:27. Astro Dark: N/A - 01:32

Total Clouds (% Sky Obscured)

0
17
37
53
40
30
39
34
73
87
88
68
84
82
82
75
85
88
97
98
87
83
82
87

Low Clouds (% Sky Obscured)

0
14
33
46
40
30
37
33
45
48
79
66
66
80
75
46
55
70
52
51
57
29
11
7

Medium Clouds (% Sky Obscured)

0
7
3
10
0
0
2
0
40
39
38
40
61
46
57
59
75
39
30
27
32
25
24
34

High Clouds (% Sky Obscured)

0
0
2
2
2
2
2
2
0
2
2
2
3
0
3
3
5
50
89
95
54
47
56
75

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
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
9
12
13
13
15
16
16
16
15
17
16
15
13
11
8
6
5
5
6
6
6
6
6

Chance of Frost

Temperature (°C)

13
15
17
19
20
21
22
23
23
23
23
23
22
21
21
20
19
18
18
18
18
17
17
17

Feels Like (°C)

12
14
15
17
17
18
19
20
20
20
19
18
19
18
19
18
20
19
18
17
17
17
17
17

Dew Point (°C)

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

Relative Humidity (%)

93
79
66
56
49
43
39
36
35
33
38
43
44
48
54
65
76
76
80
85
79
88
92
93

Pressure (mb)

1014
1015
1015
1016
1016
1016
1016
1016
1016
1016
1016
1017
1017
1017
1017
1018
1018
1018
1019
1019
1018
1018
1018
1018

Ozone (du)

337
337
337
337
337
336
336
336
336
335
334
334
333
331
332
332
331
330
330
329
329
328
327
327

Tuesday 28

Waxing Gibbous 100%

20:54

04:34

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 OK
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 05:14, Set: 21:00, Transit: 13:06. Moon - Rise: 20:54, Set: 04:34. Civil Dark: 21:44 - 04:30. Nautical Dark: 22:45 - 03:30. Astro Dark: 00:40 - 01:44

Total Clouds (% Sky Obscured)

92
55
88
82
82
92
89
99
96
100
99
95
100
100
31
60
60
64
99
99
94
98
95
93

Low Clouds (% Sky Obscured)

5
0
6
17
27
39
40
25
24
24
27
27
14
2
0
6
24
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

33
39
25
35
18
8
38
18
38
38
31
56
58
29
7
25
45
5
5
30
42
44
33
3

High Clouds (% Sky Obscured)

91
51
65
19
69
86
76
96
95
100
94
88
100
100
30
35
35
64
99
99
74
94
86
91

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
0
0
2
1
0
6
13
4
4
0
0
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)

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

Chance of Frost

Temperature (°C)

17
18
20
22
24
25
26
27
28
29
30
30
30
29
28
25
23
22
21
20
19
18
17
17

Feels Like (°C)

17
18
21
21
23
25
25
26
26
27
28
28
29
28
28
25
23
22
21
19
19
19
18
17

Dew Point (°C)

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

Relative Humidity (%)

93
83
72
64
54
49
43
38
34
31
30
30
30
30
40
48
53
55
54
57
61
65
68
71

Pressure (mb)

1018
1019
1019
1019
1018
1018
1018
1017
1017
1017
1016
1016
1015
1015
1015
1015
1015
1015
1015
1015
1015
1014
1014
1014

Ozone (du)

328
329
325
323
322
321
320
319
319
319
320
320
322
321
322
323
324
326
325
327
328
329
331
331

Wednesday 29

Full Moon 100%

21:13

05:52

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

Sun - Rise: 05:15, Set: 20:58, Transit: 13:06. Moon - Rise: 21:13, Set: 05:52. Civil Dark: 21:42 - 04:32. Nautical Dark: 22:42 - 03:32. Astro Dark: 00:29 - 01:52

Total Clouds (% Sky Obscured)

65
37
21
4
5
32
17
20
33
53
49
49
47
54
61
64
68
69
72
46
43
92
99
97

Low Clouds (% Sky Obscured)

0
0
0
0
1
2
3
10
16
31
21
10
0
0
0
0
3
5
9
10
10
9
6
3

Medium Clouds (% Sky Obscured)

3
0
0
0
0
0
0
5
11
22
28
49
19
19
21
21
14
6
0
0
0
0
3
0

High Clouds (% Sky Obscured)

57
33
16
4
3
32
17
2
2
2
1
30
45
54
61
64
59
63
67
39
43
92
99
97

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
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)

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

Chance of Frost

Temperature (°C)

18
18
20
23
25
27
29
30
30
31
31
30
29
28
27
25
23
22
22
21
20
19
18
18

Feels Like (°C)

18
19
21
23
25
27
27
29
29
30
30
29
26
23
23
22
20
19
19
18
19
18
17
17

Dew Point (°C)

12
10
9
9
8
7
8
9
13
12
12
9
3
-2
-1
1
4
5
4
4
5
6
7
10

Relative Humidity (%)

70
59
47
40
33
27
26
27
33
30
30
26
18
13
16
20
29
33
31
32
36
41
47
58

Pressure (mb)

1014
1014
1014
1014
1014
1013
1013
1012
1012
1011
1010
1010
1009
1009
1009
1009
1009
1009
1009
1008
1008
1008
1008
1008

Ozone (du)

330
330
329
329
329
329
328
327
325
324
324
323
323
323
321
321
321
320
321
320
320
320
320
321

Thursday 30

Waning Gibbous 98%

21:27

No Set

06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 OK
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

Sun - Rise: 05:17, Set: 20:57, Transit: 13:06. Moon - Rise: 21:27, Set: No Set. Civil Dark: 21:40 - 04:34. Nautical Dark: 22:40 - 03:35. Astro Dark: 00:20 - 02:00

Total Clouds (% Sky Obscured)

96
96
97
97
90
82
75
73
72
43
61
90
77
61
71
80
82
78
80
78
80
81
71
57

Low Clouds (% Sky Obscured)

0
5
10
15
16
19
19
24
31
39
36
61
15
15
27
38
27
16
2
1
1
1
1
2

Medium Clouds (% Sky Obscured)

43
8
18
89
88
23
22
13
9
4
9
64
22
48
48
44
45
45
40
39
32
31
25
24

High Clouds (% Sky Obscured)

96
95
95
93
81
64
55
55
56
2
18
34
45
52
57
61
48
32
13
16
18
19
43
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
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
5
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)

8
10
12
14
15
15
16
16
16
17
16
15
16
13
10
10
10
8
7
6
6
6
6
5

Chance of Frost

Temperature (°C)

18
19
21
22
23
24
26
27
28
28
28
28
25
25
26
24
23
22
20
19
18
17
17
17

Feels Like (°C)

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

Dew Point (°C)

11
9
10
10
11
9
9
9
7
6
5
4
10
10
12
12
12
13
14
15
14
12
11
11

Relative Humidity (%)

62
53
49
45
45
38
33
31
27
25
23
22
37
36
41
46
50
59
68
80
76
72
68
66

Pressure (mb)

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

Ozone (du)

322
327
329
326
328
331
334
336
337
339
347
349
348
346
346
346
347
347
348
349
350
350
351
351

Friday 31

Waning Gibbous 94%

21:38

07:10

06 Bad
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
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 05:18, Set: 20:55, Transit: 13:06. Moon - Rise: 21:38, Set: 07:10. Civil Dark: 21:38 - 04:36. Nautical Dark: 22:37 - 03:38. Astro Dark: 00:12 - 02:07

Total Clouds (% Sky Obscured)

45
44
38
33
51
75
96
97
99
100
92
82
74
70
67
62
68
77
85
69
63
65
65
70

Low Clouds (% Sky Obscured)

4
5
4
1
4
6
9
10
9
10
8
8
7
11
15
18
31
46
61
57
57
52
46
36

Medium Clouds (% Sky Obscured)

15
13
8
7
9
15
23
21
14
7
31
54
74
69
60
50
60
71
82
69
63
65
65
70

High Clouds (% Sky Obscured)

45
44
38
33
51
71
73
82
91
100
76
53
29
28
20
16
24
31
58
59
63
65
65
45

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 (%)

6
6
4
1
2
0
0
6
6
2
3
1
0
0
0
0
0
0
0
6
8
4
8
10

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)

5
6
6
7
8
8
9
10
9
9
8
7
6
6
5
8
12
9
6
3
3
4
5
6

Chance of Frost

Temperature (°C)

17
17
18
20
21
21
22
22
23
24
25
25
25
25
23
21
19
18
17
16
15
14
13
13

Feels Like (°C)

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

Dew Point (°C)

10
9
9
8
8
6
4
2
2
3
3
4
4
4
7
9
12
11
11
11
9
8
7
7

Relative Humidity (%)

63
60
53
47
42
35
30
25
25
25
24
25
26
26
35
46
60
63
66
69
68
69
69
65

Pressure (mb)

1016
1016
1016
1016
1016
1016
1016
1016
1016
1015
1015
1014
1014
1014
1014
1014
1014
1014
1015
1015
1015
1015
1015
1015

Ozone (du)

351
350
347
344
340
338
336
334
333
332
332
331
331
330
328
326
325
325
325
326
326
326
326
325

Saturday 1

Waning Gibbous 88%

21:48

08:27

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 OK
22 OK
23 OK
00 OK

Sun - Rise: 05:20, Set: 20:53, Transit: 13:06. Moon - Rise: 21:48, Set: 08:27. Civil Dark: 21:36 - 04:38. Nautical Dark: 22:34 - 03:40. Astro Dark: 00:05 - 02:13

Total Clouds (% Sky Obscured)

75
75
76
67
69
70
77
84
88
92
88
82
77
69
62
40
38
32
27

Low Clouds (% Sky Obscured)

25
36
45
57
46
44
35
30
25
25
20
16
12
20
31
39
29
18
7

Medium Clouds (% Sky Obscured)

75
75
76
67
69
70
77
84
88
92
80
65
50
35
20
4
4
5
5

High Clouds (% Sky Obscured)

35
35
35
35
35
30
30
30
25
25
26
31
29
38
44
40
38
32
27

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 (%)

11
24
30
34
32
29
22
22
20
18
15
11
0
2
1
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

13
13
15
17
19
20
21
23
23
23
23
23
23
22
21
19
17
16
15

Feels Like (°C)

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

Dew Point (°C)

6
6
8
11
14
15
16
17
17
17
17
16
15
13
13
12
11
9
8

Relative Humidity (%)

63
61
64
68
71
71
72
72
71
70
68
64
60
56
59
61
65
63
62

Pressure (mb)

1016
1016
1016
1017
1017
1017
1017
1016
1016
1016
1016
1016
1016
1016
1016
1016
1017
1017
1017

Ozone (du)

325
324
323
322
320
320
321
321
321
321
322
322
322
323
323
323
323
326
329

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

Generated: 26/07/26 06:07:25. Forecast: 26/07/26 to 01/08/26. Timezone: UTC+1.00