Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 19

Waxing Gibbous 59%

16:25

22:49

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

Sun - Rise: 06:41, Set: 19:05, Transit: 12:53. Moon - Rise: 16:25, Set: 22:49. Civil Dark: 19:40 - 06:07. Nautical Dark: 20:21 - 05:26. Astro Dark: 21:04 - 04:42

Total Clouds (% Sky Obscured)

100
100
100
100
100
94
95
100
96
93
95
92
96
100
95
90
100
100
89
24
19
20
39
26

Low Clouds (% Sky Obscured)

100
100
100
87
76
59
78
68
69
49
67
39
43
31
29
12
33
2
29
20
14
15
30
19

Medium Clouds (% Sky Obscured)

35
36
70
97
75
25
87
21
18
21
6
51
96
70
95
90
95
98
62
4
4
4
4
0

High Clouds (% Sky Obscured)

100
100
100
100
100
70
78
100
77
51
69
82
73
100
64
57
100
100
73
0
0
0
1
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 (%)

0
0
0
4
0
4
15
14
12
14
15
8
0
1
0
0
4
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
15
16
17
18
19
20
20
21
21
23
21
19
18
16
14
13
11
11
11
11
11
12
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

13
13
13
13
13
14
14
15
16
18
15
13
9
9
9
9
9
8
9
10
9
9
10
10

Relative Humidity (%)

78
78
79
78
79
78
77
77
74
75
61
54
44
45
49
53
56
57
62
67
68
73
76
79

Pressure (mb)

1010
1010
1010
1010
1010
1011
1011
1011
1011
1011
1012
1012
1012
1013
1014
1014
1015
1016
1016
1017
1017
1018
1018
1019

Ozone (du)

292
291
292
293
294
297
299
299
298
298
297
295
294
294
293
292
291
293
297
300
300
301
301
300

Sunday 20

Waxing Gibbous 68%

16:59

23:58

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

Sun - Rise: 06:43, Set: 19:03, Transit: 12:53. Moon - Rise: 16:59, Set: 23:58. Civil Dark: 19:37 - 06:09. Nautical Dark: 20:18 - 05:28. Astro Dark: 21:01 - 04:44

Total Clouds (% Sky Obscured)

35
100
75
82
100
100
100
59
35
46
97
100
100
100
100
100
67
40
23
14
21
58
77
69

Low Clouds (% Sky Obscured)

28
32
10
13
22
18
35
47
20
29
9
25
7
20
20
4
0
0
0
0
0
0
5
10

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
14
62
4
4
12
9
8
5
9
8

High Clouds (% Sky Obscured)

2
100
71
73
100
100
100
35
35
46
96
100
100
100
100
100
46
40
3
5
3
43
50
52

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)

12
11
11
11
11
13
15
17
17
17
16
16
15
14
12
9
7
7
7
6
6
6
6
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
75
76
79
76
66
62
51
45
40
38
37
38
39
44
52
59
64
70
73
78
80
81
85

Pressure (mb)

1019
1020
1020
1021
1022
1023
1024
1024
1025
1025
1026
1026
1026
1027
1028
1028
1030
1030
1031
1031
1031
1031
1031
1031

Ozone (du)

301
299
298
300
299
298
298
298
298
296
294
294
293
291
289
287
286
285
283
282
282
281
280
279

Monday 21

Waxing Gibbous 77%

17:23

01:14

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
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 06:45, Set: 19:00, Transit: 12:52. Moon - Rise: 17:23, Set: 01:14. Civil Dark: 19:35 - 06:10. Nautical Dark: 20:16 - 05:29. Astro Dark: 20:59 - 04:46

Total Clouds (% Sky Obscured)

69
65
80
72
76
84
89
94
99
98
88
84
85
81
79
66
76
79
73
75
70
70
75
66

Low Clouds (% Sky Obscured)

19
31
40
25
44
32
20
57
76
97
70
54
67
52
38
28
34
31
27
31
31
34
33
30

Medium Clouds (% Sky Obscured)

12
10
12
8
12
13
16
13
15
98
20
9
8
4
12
10
12
13
4
12
8
8
8
8

High Clouds (% Sky Obscured)

44
8
4
27
3
2
1
0
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

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
3
5
7

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

Chance of Frost

Temperature (°C)

9
8
8
9
10
12
14
15
16
16
16
17
18
18
18
17
16
16
16
16
15
15
15
15

Feels Like (°C)

6
6
7
7
8
10
11
12
13
13
14
16
18
17
18
19
18
18
17
17
17
17
16
16

Dew Point (°C)

6
6
5
4
5
5
6
7
8
7
6
6
8
9
10
12
12
13
13
14
14
14
14
14

Relative Humidity (%)

85
84
78
74
70
65
58
58
58
54
50
49
53
54
59
70
77
81
85
87
90
93
92
92

Pressure (mb)

1031
1031
1031
1032
1032
1032
1032
1032
1032
1031
1031
1031
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1029

Ozone (du)

276
275
274
275
275
274
272
271
271
271
272
271
271
270
268
267
267
268
270
271
273
275
276
275

Tuesday 22

Waxing Gibbous 85%

17:40

02:32

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
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 06:46, Set: 18:58, Transit: 12:52. Moon - Rise: 17:40, Set: 02:32. Civil Dark: 19:32 - 06:12. Nautical Dark: 20:13 - 05:31. Astro Dark: 20:56 - 04:48

Total Clouds (% Sky Obscured)

62
59
56
59
58
65
66
72
85
83
74
75
81
94
99
96
92
89
88
87
85
89
93
99

Low Clouds (% Sky Obscured)

29
31
33
41
45
49
59
71
75
70
60
53
55
64
66
74
77
83
80
79
77
76
76
41

Medium Clouds (% Sky Obscured)

14
13
9
9
13
14
15
14
14
18
20
15
10
4
3
2
3
3
3
3
2
2
3
5

High Clouds (% Sky Obscured)

0
0
0
0
0
0
8
14
56
55
16
15
28
87
55
82
63
45
50
50
30
18
24
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 (%)

4
4
1
2
4
1
1
1
0
0
0
0
0
0
0
8
5
1
20
11
5
21
13
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)

4
3
3
3
3
4
4
4
5
6
6
6
7
5
4
3
2
2
2
2
3
3
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

14
13
13
13
13
13
13
12
12
12
12
12
12
12
13
13
12
12
12
12
11
11
11
11

Relative Humidity (%)

93
92
93
92
87
77
69
60
56
53
50
50
50
51
58
61
60
61
65
66
67
69
71
72

Pressure (mb)

1029
1029
1029
1029
1029
1030
1030
1029
1029
1029
1028
1028
1027
1027
1026
1026
1026
1026
1026
1026
1025
1025
1024
1024

Ozone (du)

274
275
275
275
277
279
280
281
282
282
282
281
280
280
280
280
282
284
285
284
283
284
283
282

Wednesday 23

Waxing Gibbous 92%

17:54

03:51

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
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 06:48, Set: 18:55, Transit: 12:52. Moon - Rise: 17:54, Set: 03:51. Civil Dark: 19:30 - 06:14. Nautical Dark: 20:10 - 05:33. Astro Dark: 20:53 - 04:51

Total Clouds (% Sky Obscured)

99
99
99
99
100
60
60
65
65
74
63
41
52
61
73
85
72
59
65
68
70
70
68
72

Low Clouds (% Sky Obscured)

59
54
64
60
50
43
38
32
26
47
60
41
52
61
73
85
72
59
65
66
57
44
35
29

Medium Clouds (% Sky Obscured)

9
63
52
16
18
20
10
10
5
3
2
0
52
1
10
9
4
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

98
98
97
98
99
50
60
65
65
58
48
21
21
20
20
65
35
5
26
42
61
60
66
68

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
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

Precipitation Probability (%)

17
23
21
72
75
85
84
64
53
39
31
20
8
5
1
19
9
2
4
2
0
3
1
0

Precipitation Amount (mm)

0
0
0
0.6
0.4
0.6
0.6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

4
5
5
6
5
7
8
8
9
11
10
14
15
13
12
10
11
10
9
8
8
8
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
79
79
83
79
72
62
53
51
48
48
69
74
77
75
78
82
86
90
89
87
87
87
87

Pressure (mb)

1023
1023
1023
1023
1023
1023
1024
1023
1023
1023
1023
1023
1023
1024
1024
1025
1023
1024
1024
1024
1024
1024
1024
1024

Ozone (du)

281
280
281
282
284
287
290
295
296
297
298
298
300
302
303
303
302
302
301
299
298
296
294
293

Thursday 24

Waxing Gibbous 97%

18:05

No Set

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
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 06:50, Set: 18:53, Transit: 12:51. Moon - Rise: 18:05, Set: No Set. Civil Dark: 19:27 - 06:16. Nautical Dark: 20:08 - 05:35. Astro Dark: 20:50 - 04:53

Total Clouds (% Sky Obscured)

85
93
100
95
90
84
81
75
66
75
86
96
95
97
100
91
81
68
77
90
99
89
80
75

Low Clouds (% Sky Obscured)

25
21
18
10
4
0
5
10
15
16
16
16
29
41
54
49
45
40
41
41
53
55
56
53

Medium Clouds (% Sky Obscured)

0
0
0
1
2
2
3
4
5
4
3
6
6
5
5
5
9
13
14
19
30
35
40
40

High Clouds (% Sky Obscured)

79
89
100
93
88
84
71
55
38
51
67
86
91
93
100
90
81
68
77
90
99
89
80
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
Very Light Rain
Very Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
14
22
26
31
34
35
56
70
79

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
0.3
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

10
10
9
9
9
10
10
11
12
12
18
18
17
18
19
21
15
15
16
16
16
16
13
13

Dew Point (°C)

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

Relative Humidity (%)

88
90
90
91
83
76
68
65
61
58
55
53
49
57
65
76
77
78
81
82
85
86
87
89

Pressure (mb)

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

Ozone (du)

291
289
288
287
286
284
283
282
281
280
279
278
277
277
276
276
276
276
276
276
276
275
275
275

Friday 25

Waxing Gibbous 99%

18:15

05:10

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

Sun - Rise: 06:52, Set: 18:51, Transit: 12:51. Moon - Rise: 18:15, Set: 05:10. Civil Dark: 19:25 - 06:17. Nautical Dark: 20:05 - 05:37. Astro Dark: 20:48 - 04:55

Total Clouds (% Sky Obscured)

76
74
76
76
80
80
67
48
32
40
48
60
38
16
0
5
9
15
16
14
8

Low Clouds (% Sky Obscured)

54
51
51
34
17
0
9
19
30
33
40
45
26
11
0
1
2
2
2
1
0

Medium Clouds (% Sky Obscured)

40
40
40
40
40
35
23
10
0
5
8
8
6
2
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

76
74
76
76
80
80
63
33
0
0
0
0
0
0
0
0
2
1
1
1
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

Fog (%)

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

Precipitation Probability (%)

83
85
86
80
76
54
41
22
4
14
12
17
28
26
24
16
4
0
0
0
0

Precipitation Amount (mm)

0.4
0.5
0.5
0.4
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
13
13
13
13
12
13
13
13
14
20
19
18
19
20
20
14
14
14
14
13

Dew Point (°C)

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

Relative Humidity (%)

90
92
93
93
84
75
68
62
56
52
50
48
46
52
59
67
67
65
64
66
66

Pressure (mb)

1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1020
1020
1021
1021
1021
1022
1022

Ozone (du)

275
275
275
275
276
276
276
277
277
278
279
279
279
280
280
281
281
282
283
284
285

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

Generated: 19/09/26 04:09:58. Forecast: 19/09/26 to 25/09/26. Timezone: UTC+1.00