Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 4

Waning Gibbous 60%

22:20

12:26

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 Bad
22 Bad
23 Bad
00 OK
01 Good
02 OK
03 OK
04 OK
05 OK
06 Bad
07 Bad

Sun - Rise: 05:25, Set: 20:48, Transit: 13:06. Moon - Rise: 22:20, Set: 12:26. Civil Dark: 21:30 - 04:44. Nautical Dark: 22:26 - 03:48. Astro Dark: 23:48 - 02:28

Total Clouds (% Sky Obscured)

82
86
89
91
89
58
99
98
98
90
92
82
68
79
54
43
37
8
42
19
40
37
63
50

Low Clouds (% Sky Obscured)

0
0
0
0
31
42
9
90
30
46
38
66
40
47
40
23
21
3
40
19
39
37
57
50

Medium Clouds (% Sky Obscured)

26
33
89
87
35
39
94
79
94
87
88
48
24
28
35
36
27
4
0
0
3
0
14
0

High Clouds (% Sky Obscured)

76
86
89
63
61
46
91
50
56
62
0
0
0
0
0
0
0
0
0
0
2
2
2
2

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 (%)

19
29
0
0
0
1
9
32
25
7
2
0
0
8
9
9
0
0
0
0
2
2
2
5

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
8
8
10
12
15
16
17
15
16
16
14
11
12
12
12
11
11
11
12
12
12
12
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

13
12
8
7
6
7
7
10
16
13
11
12
14
12
13
15
16
16
15
14
14
14
15
15

Relative Humidity (%)

64
54
39
31
26
26
28
37
48
39
35
39
47
45
53
64
70
74
76
78
82
83
87
82

Pressure (mb)

1009
1009
1009
1008
1008
1008
1007
1007
1007
1006
1006
1006
1006
1007
1007
1008
1008
1008
1008
1008
1008
1008
1008
1009

Ozone (du)

320
321
318
316
315
317
318
318
319
321
324
327
325
324
322
320
317
318
319
320
322
323
322
320

Wednesday 5

Waning Gibbous 49%

22:36

13:52

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

Sun - Rise: 05:27, Set: 20:46, Transit: 13:06. Moon - Rise: 22:36, Set: 13:52. Civil Dark: 21:28 - 04:46. Nautical Dark: 22:23 - 03:50. Astro Dark: 23:43 - 02:33

Total Clouds (% Sky Obscured)

70
43
65
66
44
29
38
60
45
81
49
20
2
2
5
13
24
28
49
55
59
85
100
100

Low Clouds (% Sky Obscured)

70
41
62
64
41
29
38
56
29
40
26
2
2
1
0
0
5
25
45
54
53
79
100
100

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
3
20
32
14
14
0
0
3
10
17
18
28
32
30
16
34
39

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
12
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 (%)

7
21
16
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

70
64
52
46
39
34
32
34
38
36
37
37
43
46
50
51
53
54
57
63
69
74
73
68

Pressure (mb)

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

Ozone (du)

321
324
327
329
332
334
336
337
338
338
341
343
345
346
347
350
354
358
360
360
360
360
356
352

Thursday 6

Third Quarter 37%

22:59

15:21

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 OK
04 Good
05 Good
06 Good
07 OK

Sun - Rise: 05:28, Set: 20:44, Transit: 13:05. Moon - Rise: 22:59, Set: 15:21. Civil Dark: 21:25 - 04:47. Nautical Dark: 22:21 - 03:53. Astro Dark: 23:38 - 02:38

Total Clouds (% Sky Obscured)

97
96
78
92
94
99
100
99
96
94
79
51
48
90
100
86
65
64
61
19
16
9
4
38

Low Clouds (% Sky Obscured)

89
86
62
80
66
87
100
65
30
25
49
44
11
29
23
17
9
6
3
0
0
0
0
0

Medium Clouds (% Sky Obscured)

44
36
16
18
27
34
35
39
36
39
34
17
18
39
33
2
5
3
2
0
0
0
0
0

High Clouds (% Sky Obscured)

1
0
0
1
1
0
0
0
0
1
25
25
30
52
100
77
51
56
58
18
15
8
4
38

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
1
6
11
2
2
0
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

9
10
9
9
10
10
8
6
5
5
6
5
5
6
7
8
8
8
8
8
8
9
9
7

Relative Humidity (%)

66
65
59
53
52
50
46
42
37
37
38
37
40
48
58
62
67
71
75
81
84
87
87
75

Pressure (mb)

1018
1018
1019
1020
1020
1020
1021
1021
1021
1021
1022
1022
1022
1023
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024

Ozone (du)

351
352
352
350
350
351
351
351
345
344
343
340
337
335
333
333
330
329
328
328
329
329
331
332

Friday 7

Waning Crescent 35%

23:34

16:50

08 OK
09 OK
10 OK
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 Good
00 OK
01 Bad
02 Bad
03 Bad
04 Bad
05 OK
06 OK
07 OK

Sun - Rise: 05:30, Set: 20:42, Transit: 13:05. Moon - Rise: 23:34, Set: 16:50. Civil Dark: 21:23 - 04:49. Nautical Dark: 22:18 - 03:55. Astro Dark: 23:33 - 02:42

Total Clouds (% Sky Obscured)

48
46
28
64
100
100
94
87
93
78
67
60
52
42
24
16
28
58
57
50
50
46
46
21

Low Clouds (% Sky Obscured)

0
0
6
12
18
11
5
0
0
1
2
6
3
1
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
4
12
16
19
31
45
46
47
43
39
39
35
24
13
3
2
4
3
0
0
0
2

High Clouds (% Sky Obscured)

48
46
21
58
100
100
91
65
75
26
2
4
10
9
3
4
25
56
51
50
50
46
46
15

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
2
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)

6
7
8
8
8
9
9
9
8
8
7
7
6
5
5
4
3
3
2
2
3
3
3
4

Chance of Frost

Temperature (°C)

14
16
19
20
21
23
23
23
24
23
23
23
21
19
17
16
15
14
13
13
12
12
12
13

Feels Like (°C)

12
14
16
19
19
19
19
20
22
20
22
21
19
16
15
15
14
13
11
11
11
10
11
11

Dew Point (°C)

6
6
6
5
5
5
5
4
3
3
2
2
4
5
6
6
6
5
5
5
5
5
6
5

Relative Humidity (%)

60
49
43
37
33
32
30
28
26
25
25
25
33
39
47
52
54
56
57
60
62
64
64
59

Pressure (mb)

1024
1024
1024
1024
1023
1022
1022
1021
1021
1020
1020
1020
1020
1020
1021
1021
1021
1020
1020
1020
1020
1019
1019
1019

Ozone (du)

336
339
341
335
338
340
345
343
336
335
334
336
336
336
336
335
332
330
330
330
329
328
328
328

Saturday 8

Waning Crescent 26%

00:28

18:08

08 Bad
09 Bad
10 OK
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
06 Bad
07 Bad

Sun - Rise: 05:32, Set: 20:40, Transit: 13:05. Moon - Rise: 00:28, Set: 18:08. Civil Dark: 21:21 - 04:51. Nautical Dark: 22:15 - 03:58. Astro Dark: 23:28 - 02:46

Total Clouds (% Sky Obscured)

51
49
48
60
72
77
77
73
96
96
97
88
81
76
80
78
80
75
76
71
61
51
46
41

Low Clouds (% Sky Obscured)

0
0
3
7
9
6
3
0
5
10
11
0
0
0
5
6
6
4
5
6
5
5
6
9

Medium Clouds (% Sky Obscured)

3
4
8
13
20
23
30
33
38
44
46
49
49
45
45
45
40
41
36
37
31
31
20
14

High Clouds (% Sky Obscured)

50
40
32
42
48
48
47
53
80
69
64
19
13
7
31
58
80
75
76
71
61
51
46
41

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
1
2
1
8
9
10
30
37
37
53
67
80
76
66
56
48

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.4
0.4
0.3
0.2
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

15
18
21
22
24
25
25
26
27
26
25
24
23
21
20
19
18
17
17
16
16
16
16
16

Feels Like (°C)

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

Dew Point (°C)

5
5
5
3
2
1
-1
-1
-2
-3
-3
-2
-2
-1
0
3
6
9
9
8
8
8
7
7

Relative Humidity (%)

48
40
34
28
23
20
18
16
15
15
15
17
19
22
26
34
45
57
59
60
61
57
56
54

Pressure (mb)

1019
1019
1019
1018
1017
1017
1016
1015
1015
1014
1014
1014
1014
1014
1014
1014
1014
1014
1013
1013
1013
1013
1012
1012

Ozone (du)

328
328
329
329
328
328
327
325
324
324
323
323
323
322
322
322
322
322
322
322
322
322
322
322

Sunday 9

Waning Crescent 16%

01:44

19:08

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

Sun - Rise: 05:33, Set: 20:38, Transit: 13:05. Moon - Rise: 01:44, Set: 19:08. Civil Dark: 21:19 - 04:53. Nautical Dark: 22:12 - 04:00. Astro Dark: 23:24 - 02:50

Total Clouds (% Sky Obscured)

33
25
33
47
64
59
48
41
52
61
68
60
52
45
36
29
22
48
76
97
88
79
70
62

Low Clouds (% Sky Obscured)

12
16
18
17
15
15
12
11
10
14
15
12
6
0
0
0
0
4
7
10
10
11
12
17

Medium Clouds (% Sky Obscured)

6
2
10
18
25
23
21
20
23
26
29
21
17
15
12
8
4
21
38
58
58
57
57
50

High Clouds (% Sky Obscured)

30
0
26
47
64
52
25
2
4
7
9
14
16
20
23
25
22
48
67
78
67
47
24
18

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 (%)

33
5
5
2
0
0
0
0
1
3
0
8
6
0
1
0
0
0
0
0
0
0
0
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)

5
6
7
7
8
8
8
9
11
11
11
11
9
8
9
9
8
8
8
7
7
7
8
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

17
17
17
18
18
19
25
24
25
24
24
24
21
21
21
20
18
17
12
12
11
12
13
13

Dew Point (°C)

7
6
5
4
2
0
2
3
4
5
6
8
9
11
13
12
12
12
11
10
9
10
10
11

Relative Humidity (%)

47
40
35
30
25
21
23
24
27
30
34
38
47
60
74
77
80
84
82
80
77
79
80
82

Pressure (mb)

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

Ozone (du)

322
322
322
322
322
321
321
320
319
320
320
320
320
320
320
319
319
318
318
318
317
319
321
322

Monday 10

Waning Crescent 8%

03:14

19:49

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 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 05:35, Set: 20:36, Transit: 13:05. Moon - Rise: 03:14, Set: 19:49. Civil Dark: 21:17 - 04:55. Nautical Dark: 22:10 - 04:03. Astro Dark: 23:19 - 02:54

Total Clouds (% Sky Obscured)

53
48
54
64
72
76
83
90
81
74
67
71
75
82
72
64
56

Low Clouds (% Sky Obscured)

22
25
30
27
20
45
70
90
81
74
66
55
46
35
28
21
12

Medium Clouds (% Sky Obscured)

42
34
32
31
40
40
30
35
23
12
0
0
0
0
4
8
12

High Clouds (% Sky Obscured)

11
5
25
48
70
47
25
0
2
3
4
17
31
40
41
37
35

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 (%)

1
0
0
0
0
6
11
15
14
12
0
1
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
63
56
53
50
47
50
53
57
58
61
64
67
72
76
76
79

Pressure (mb)

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

Ozone (du)

328
333
338
339
339
340
339
339
338
336
335
333
330
328
326
323
321

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

Generated: 04/08/26 08:06:39. Forecast: 04/08/26 to 10/08/26. Timezone: UTC+1.00