Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 2

Waning Gibbous 74%

21:01

13:09

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

Sun - Rise: 06:11, Set: 19:46, Transit: 12:59. Moon - Rise: 21:01, Set: 13:09. Civil Dark: 20:23 - 05:35. Nautical Dark: 21:08 - 04:50. Astro Dark: 21:58 - 04:00

Total Clouds (% Sky Obscured)

67
70
70
71
68
50
76
88
97
76
94
100
100
100
100
100
100
99
94
90
86
56
100
75

Low Clouds (% Sky Obscured)

2
0
5
2
13
16
24
34
43
46
46
65
57
52
66
75
85
93
82
78
74
56
65
26

Medium Clouds (% Sky Obscured)

84
62
70
69
18
50
31
87
73
75
89
78
100
100
100
100
100
99
31
15
11
0
0
3

High Clouds (% Sky Obscured)

48
0
0
3
12
46
18
70
59
17
23
100
96
73
90
100
72
60
49
43
2
3
50
49

ISS Passover

Visibility (miles)

-
-
9
9
9
9
9
9
9
9
9
9
9
9
8
9
3
6
8
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

Precipitation Type

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

Precipitation Probability (%)

0
0
1
24
41
3
4
7
2
1
2
1
7
36
34
67
72
83
66
16
8
13
17
2

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.3
0.8
0.4
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
15
13
13
13
12
11
12
12
14
15
16
16
17
17
17
16
16
15
15
15
15
15
15

Dew Point (°C)

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

Relative Humidity (%)

78
71
68
74
82
84
86
86
79
72
65
63
67
67
78
85
85
88
83
81
82
86
87
89

Pressure (mb)

1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1016
1016
1016
1015
1014
1014
1014
1014
1014

Ozone (du)

331
331
330
326
324
322
318
315
316
314
313
310
308
306
306
305
303
305
306
306
305
303
302
302

Thursday 3

Waning Gibbous 63%

21:30

14:39

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

Sun - Rise: 06:13, Set: 19:44, Transit: 12:59. Moon - Rise: 21:30, Set: 14:39. Civil Dark: 20:20 - 05:37. Nautical Dark: 21:05 - 04:52. Astro Dark: 21:55 - 04:02

Total Clouds (% Sky Obscured)

99
100
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
98
100
100

Low Clouds (% Sky Obscured)

28
33
39
45
56
50
56
53
47
41
59
58
51
48
30
21
19
2
0
29
45
61
57
70

Medium Clouds (% Sky Obscured)

7
7
5
6
5
83
86
89
36
22
69
83
88
27
77
90
97
86
34
48
80
85
53
71

High Clouds (% Sky Obscured)

96
100
93
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
94
65
81
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
7
8
1
2
0
0
0
1
0
0
0
0
1
1
8
23
36
53
64

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)

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

Chance of Frost

Temperature (°C)

17
17
17
17
17
17
17
17
18
19
20
20
21
22
23
23
23
23
22
21
20
19
18
18

Feels Like (°C)

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

Dew Point (°C)

16
16
17
16
16
16
16
16
16
15
14
13
13
13
12
13
13
12
12
12
12
11
11
11

Relative Humidity (%)

90
92
95
95
95
92
92
92
86
77
69
62
59
55
52
54
52
51
52
56
61
60
63
66

Pressure (mb)

1014
1014
1013
1013
1013
1013
1013
1013
1014
1014
1014
1014
1014
1014
1013
1013
1013
1013
1012
1012
1012
1012
1012
1011

Ozone (du)

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

Friday 4

Third Quarter 51%

22:15

16:01

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

Sun - Rise: 06:15, Set: 19:42, Transit: 12:58. Moon - Rise: 22:15, Set: 16:01. Civil Dark: 20:18 - 05:39. Nautical Dark: 21:02 - 04:54. Astro Dark: 21:51 - 04:05

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
85
90
67
42
18
19
22

Low Clouds (% Sky Obscured)

37
53
78
71
57
43
44
39
48
46
32
39
47
46
40
35
30
28
19
19
14
12
13
13

Medium Clouds (% Sky Obscured)

34
76
91
99
100
100
100
100
100
100
100
100
94
87
8
7
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

98
100
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
55
60
43
22
0
0
1

ISS Passover

Visibility (miles)

9
9
9
9
9
4
4
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
Very 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 (%)

49
53
46
29
67
95
68
40
26
22
5
2
2
3
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0.3
0.9
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

15
16
14
11
10
10
10
10
11
12
14
16
17
19
20
21
21
20
19
18
17
17
16
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
71
72
79
79
85
87
87
85
82
71
58
58
59
55
50
48
47
52
56
59
63
67
67

Pressure (mb)

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

Ozone (du)

296
294
294
294
294
296
298
304
306
307
310
312
315
319
324
330
333
338
344
346
345
343
342
342

Saturday 5

Waning Crescent 39%

23:22

17:06

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

Sun - Rise: 06:16, Set: 19:39, Transit: 12:58. Moon - Rise: 23:22, Set: 17:06. Civil Dark: 20:15 - 05:40. Nautical Dark: 20:59 - 04:56. Astro Dark: 21:48 - 04:07

Total Clouds (% Sky Obscured)

21
17
12
7
7
8
9
20
19
14
35
56
76
76
69
53
72
71
81
82
88
92
87
85

Low Clouds (% Sky Obscured)

14
13
9
6
4
2
0
5
9
14
20
26
32
29
28
26
26
26
27
13
6
0
3
10

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
7
7
6
8
7
7
8
8
17
16
85

High Clouds (% Sky Obscured)

0
0
0
0
2
3
7
20
19
6
17
28
31
67
58
9
56
19
26
50
65
80
85
60

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

7
7
8
8
7
8
8
8
8
8
8
7
6
6
6
6
6
6
7
8
8
8
8
8

Relative Humidity (%)

65
68
70
71
72
76
77
80
75
68
59
53
47
43
43
42
42
44
46
51
59
62
66
68

Pressure (mb)

1017
1017
1018
1018
1019
1019
1020
1021
1022
1022
1023
1023
1023
1024
1024
1023
1023
1024
1024
1024
1024
1025
1025
1024

Ozone (du)

334
332
331
328
326
325
323
320
317
312
310
309
307
307
307
307
306
304
302
301
300
300
299
297

Sunday 6

Waning Crescent 28%

No Rise

17:51

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

Sun - Rise: 06:18, Set: 19:37, Transit: 12:58. Moon - Rise: No Rise, Set: 17:51. Civil Dark: 20:13 - 05:42. Nautical Dark: 20:57 - 04:58. Astro Dark: 21:45 - 04:10

Total Clouds (% Sky Obscured)

69
31
24
23
18
14
35
30
25
25
40
58
80
87
94
100
100
100
100
100
99
98
95
92

Low Clouds (% Sky Obscured)

10
7
4
0
0
0
0
0
21
25
40
55
9
14
19
31
51
61
76
59
47
32
39
43

Medium Clouds (% Sky Obscured)

45
17
13
13
9
7
4
10
25
25
40
58
73
84
91
98
96
96
97
76
55
33
39
43

High Clouds (% Sky Obscured)

50
5
5
5
4
4
30
30
20
20
38
56
74
83
91
100
100
100
99
98
98
98
83
70

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
1
5
4
4
4
16
21
9
17
12
3
13
4

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

63
68
69
70
71
71
72
71
66
59
62
61
62
54
54
54
53
54
54
55
57
57
58
59

Pressure (mb)

1024
1024
1023
1023
1023
1022
1022
1022
1021
1021
1021
1020
1020
1019
1018
1017
1016
1016
1015
1015
1014
1014
1014
1014

Ozone (du)

296
293
291
291
291
290
289
290
290
290
289
289
290
291
292
293
294
294
294
295
293
292
291
292

Monday 7

Waning Crescent 18%

00:46

18:20

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

Sun - Rise: 06:20, Set: 19:34, Transit: 12:57. Moon - Rise: 00:46, Set: 18:20. Civil Dark: 20:10 - 05:44. Nautical Dark: 20:54 - 05:00. Astro Dark: 21:42 - 04:12

Total Clouds (% Sky Obscured)

89
90
90
91
78
65
56
56
58
55
60
64
66
82
91
100
89
82
76
77
78
80
79
77

Low Clouds (% Sky Obscured)

48
50
51
53
49
50
51
45
39
24
24
19
22
42
61
75
67
73
76
65
48
32
27
23

Medium Clouds (% Sky Obscured)

47
47
48
48
32
16
0
0
5
5
9
8
10
12
10
11
5
4
2
25
46
68
72
76

High Clouds (% Sky Obscured)

59
54
49
47
42
53
54
56
58
55
60
64
52
68
84
100
66
47
46
56
68
80
75
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
4
6
1
0
0
0
2
0
0
0
0
0
12
21
27
28
24
18
14
14
1
1
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)

11
12
12
11
11
11
12
13
13
13
13
12
12
13
12
12
12
11
12
12
11
10
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

16
15
16
16
15
15
15
14
14
14
14
15
15
16
21
20
20
19
19
19
17
16
16
15

Dew Point (°C)

10
10
10
10
11
10
10
10
11
11
11
12
12
12
12
12
12
12
12
12
12
11
11
11

Relative Humidity (%)

58
58
59
61
63
65
66
68
66
65
63
61
58
56
58
58
59
62
64
68
70
72
73
75

Pressure (mb)

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

Ozone (du)

293
294
295
296
296
301
305
310
309
308
307
307
308
308
306
304
302
301
299
298
297
296
296
295

Tuesday 8

Waning Crescent 10%

02:18

18:40

Sun - Rise: 06:22, Set: 19:32, Transit: 12:57. Moon - Rise: 02:18, Set: 18:40. Civil Dark: 20:08 - 05:46. Nautical Dark: 20:51 - 05:02. Astro Dark: 21:39 - 04:15

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

Forecast for Marsh Chapel, Lincolnshire, United Kingdom (53.47,0.05)

Generated: 02/09/26 02:51:06. Forecast: 02/09/26 to 08/09/26. Timezone: UTC+1.00