Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 1

Waning Gibbous 74%

21:11

13:13

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

Sun - Rise: 06:34, Set: 20:00, Transit: 13:17. Moon - Rise: 21:11, Set: 13:13. Civil Dark: 20:33 - 06:00. Nautical Dark: 21:17 - 05:19. Astro Dark: 22:03 - 04:34

Total Clouds (% Sky Obscured)

78
82
87
100
94
97
94
100
100
99
100
100
99
97
97
96
93
86
94
89
87
76
79
78

Low Clouds (% Sky Obscured)

16
30
65
72
38
36
47
72
76
98
100
86
99
92
96
90
85
86
88
80
73
51
58
52

Medium Clouds (% Sky Obscured)

78
82
87
90
74
94
85
100
98
98
34
36
28
25
16
19
16
1
14
18
26
17
19
18

High Clouds (% Sky Obscured)

78
82
45
34
33
7
53
62
42
18
82
99
73
20
25
25
58
34
21
14
2
4
2
9

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
5
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
Very Light Rain
Very Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

8
40
43
38
25
42
21
44
57
61
81
32
42
42
26
22
21
24
26
14
2
5
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.2
0.2
0.4
0.5
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

6
5
5
4
4
4
5
5
6
7
9
12
14
16
16
16
17
16
17
16
15
15
13
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
87
87
90
89
93
93
95
93
93
90
92
86
83
92
93
90
93
86
75
70
71
83
93

Pressure (mb)

1021
1021
1021
1021
1021
1020
1020
1020
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1018
1018
1018
1018
1019
1019

Ozone (du)

310
309
306
305
304
302
300
298
296
295
294
295
295
295
294
294
294
294
293
294
292
292
291
291

Wednesday 2

Waning Gibbous 63%

21:35

14:38

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

Sun - Rise: 06:35, Set: 19:57, Transit: 13:16. Moon - Rise: 21:35, Set: 14:38. Civil Dark: 20:31 - 06:02. Nautical Dark: 21:15 - 05:20. Astro Dark: 22:00 - 04:36

Total Clouds (% Sky Obscured)

80
91
97
98
100
100
94
95
99
98
99
100
96
95
94
95
93
96
98
100
96
94
97
95

Low Clouds (% Sky Obscured)

62
78
93
95
100
100
88
91
92
92
95
99
94
92
78
81
81
87
98
100
94
89
89
90

Medium Clouds (% Sky Obscured)

16
10
12
11
12
7
7
13
23
23
17
14
10
10
11
9
10
9
8
5
4
4
9
8

High Clouds (% Sky Obscured)

15
37
49
31
14
27
26
11
63
47
84
64
48
44
51
42
8
2
16
33
35
43
4
4

ISS Passover

Visibility (miles)

9
9
9
9
9
4
3
1
4
1
0
0
0
0
8
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
16
22
4
0
0
15
27
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
1
4
6
7
10
11
16
13
18
14
15
14
9
26
13
27
29
27
23
24
20
7
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
95
95
90
93
96
98
96
96
96
98
96
96
96
93
82
81
80
79
81
82
84
86
88

Pressure (mb)

1020
1020
1020
1020
1020
1019
1019
1019
1019
1019
1019
1020
1020
1020
1020
1020
1020
1020
1020
1019
1019
1019
1018
1018

Ozone (du)

290
290
290
290
288
288
287
288
287
287
287
287
286
286
286
285
284
285
286
288
289
289
288
286

Thursday 3

Waning Gibbous 51%

22:08

15:57

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
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 OK

Sun - Rise: 06:37, Set: 19:55, Transit: 13:16. Moon - Rise: 22:08, Set: 15:57. Civil Dark: 20:29 - 06:03. Nautical Dark: 21:12 - 05:22. Astro Dark: 21:57 - 04:38

Total Clouds (% Sky Obscured)

92
92
100
95
97
96
98
100
100
100
98
99
100
100
100
100
100
100
100
88
78
66
47
36

Low Clouds (% Sky Obscured)

82
83
100
91
94
93
95
100
100
100
86
79
95
94
82
83
79
58
52
54
72
34
38
28

Medium Clouds (% Sky Obscured)

8
8
13
12
9
11
24
19
16
35
52
94
67
92
100
100
100
100
100
88
78
66
23
0

High Clouds (% Sky Obscured)

14
29
9
3
4
10
89
81
80
76
49
73
98
100
100
100
100
100
100
82
65
56
18
3

ISS Passover

Visibility (miles)

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

Fog (%)

9
16
2
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
Very Light Rain
None
None
Light Rain
Light Rain
Very Light Rain
None
Very Light Rain
Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

9
12
5
6
5
11
46
59
33
32
71
79
55
53
68
84
45
12
36
21
8
10
6
5

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.3
0
0
0.4
0.5
0.2
0
0.3
0.9
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
93
96
93
93
89
86
85
86
93
96
92
92
92
92
92
95
89
82
82
77
75
75
86

Pressure (mb)

1018
1018
1017
1017
1017
1016
1015
1015
1015
1015
1016
1016
1016
1017
1017
1017
1018
1018
1018
1019
1019
1019
1020
1020

Ozone (du)

284
284
284
285
286
286
287
288
288
289
290
291
289
290
291
292
295
297
298
300
308
314
318
321

Friday 4

Third Quarter 39%

22:57

17:01

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

Sun - Rise: 06:38, Set: 19:53, Transit: 13:16. Moon - Rise: 22:57, Set: 17:01. Civil Dark: 20:27 - 06:05. Nautical Dark: 21:10 - 05:24. Astro Dark: 21:54 - 04:40

Total Clouds (% Sky Obscured)

36
46
53
60
54
84
81
80
77
67
78
82
80
71
74
72
74
42
46
35
55
63
69
54

Low Clouds (% Sky Obscured)

33
32
32
31
32
30
27
24
18
13
13
8
6
7
9
7
6
8
6
5
4
2
10
17

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
3
6
13
13
9
10
8
4
3
2
0
0
0
4

High Clouds (% Sky Obscured)

0
16
33
54
35
62
48
54
59
51
54
47
34
19
27
34
39
10
19
7
23
26
21
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
1
1
1
2
4
2
9
4
0
0
1
0
0
0
0
2
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
13
13
13
13
13
11
10
10
10
10
11
13
15
17
17
16
15
17
17
17
16
15
14

Dew Point (°C)

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

Relative Humidity (%)

92
92
92
92
92
92
92
90
87
87
87
81
73
65
55
49
46
46
46
48
51
56
68
83

Pressure (mb)

1021
1022
1022
1023
1023
1023
1024
1024
1024
1025
1025
1026
1026
1027
1027
1027
1027
1026
1026
1026
1026
1025
1025
1026

Ozone (du)

325
325
322
319
320
316
313
310
308
305
303
302
300
299
299
299
297
295
293
292
290
289
287
286

Saturday 5

Waning Crescent 28%

00:03

17:49

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

Sun - Rise: 06:40, Set: 19:51, Transit: 13:15. Moon - Rise: 00:03, Set: 17:49. Civil Dark: 20:24 - 06:06. Nautical Dark: 21:07 - 05:26. Astro Dark: 21:51 - 04:42

Total Clouds (% Sky Obscured)

65
67
66
82
67
68
69
91
85
81
87
87
83
90
94
100
100
100
100
100
100
100
91
83

Low Clouds (% Sky Obscured)

29
29
28
28
30
31
42
34
31
24
9
6
5
5
8
9
32
52
72
71
70
68
49
31

Medium Clouds (% Sky Obscured)

5
5
5
9
7
6
5
5
5
4
16
28
41
57
73
86
90
94
96
90
86
82
64
46

High Clouds (% Sky Obscured)

2
2
1
15
1
1
1
35
35
40
35
50
50
73
90
100
93
85
78
84
92
98
82
66

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
2
8
9
22
22
10
19
14

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
84
84
84
86
84
83
86
87
87
87
82
77
71
70
69
68
72
77
81
82
81
81
85

Pressure (mb)

1026
1026
1026
1025
1025
1024
1024
1023
1023
1023
1022
1021
1021
1021
1021
1020
1020
1019
1019
1019
1018
1018
1018
1018

Ozone (du)

286
284
283
283
283
283
284
285
286
286
286
286
285
284
284
284
284
285
286
287
287
288
289
290

Sunday 6

Waning Crescent 18%

01:24

18:23

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

Sun - Rise: 06:41, Set: 19:49, Transit: 13:15. Moon - Rise: 01:24, Set: 18:23. Civil Dark: 20:22 - 06:08. Nautical Dark: 21:05 - 05:28. Astro Dark: 21:49 - 04:44

Total Clouds (% Sky Obscured)

76
76
76
76
78
81
85
81
75
70
72
76
77
85
91
96
92
88
85
89
92
93
88
85

Low Clouds (% Sky Obscured)

12
11
15
14
12
10
8
5
4
4
9
12
19
36
51
65
52
41
28
24
24
19
26
33

Medium Clouds (% Sky Obscured)

27
32
36
41
44
46
45
34
18
0
0
0
4
8
15
18
17
14
11
19
19
20
10
5

High Clouds (% Sky Obscured)

45
28
14
1
19
38
64
70
75
70
72
75
75
76
77
79
63
51
34
33
31
29
31
33

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
Very Light Rain
Very Light Rain

Precipitation Probability (%)

3
8
12
15
15
10
1
1
0
0
0
0
0
4
9
10
8
5
2
6
20
41
62
69

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
0.3
0.3

Wind Speed/Direction (mph)

5
5
5
6
7
6
5
5
5
4
4
5
7
9
11
12
14
14
15
16
16
15
15
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
93
93
95
93
95
95
95
95
96
96
92
89
85
77
69
63
62
61
60
65
71
78
83

Pressure (mb)

1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1017
1017
1017
1016
1016
1015
1015
1015
1015

Ozone (du)

292
293
292
291
291
291
292
293
295
297
299
298
297
296
295
294
293
293
292
291
290
289
288
287

Monday 7

Waning Crescent 9%

02:52

18:47

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

Sun - Rise: 06:43, Set: 19:46, Transit: 13:15. Moon - Rise: 02:52, Set: 18:47. Civil Dark: 20:20 - 06:10. Nautical Dark: 21:02 - 05:29. Astro Dark: 21:46 - 04:46

Total Clouds (% Sky Obscured)

81
87
94
99
94
88
82
84
83
79
75
73
70
67
64
64

Low Clouds (% Sky Obscured)

41
60
78
94
92
88
82
84
83
79
75
60
44
61
64
64

Medium Clouds (% Sky Obscured)

0
6
8
12
9
5
1
1
0
0
10
19
27
38
49
56

High Clouds (% Sky Obscured)

35
35
35
35
30
30
25
27
30
32
27
25
22
19
20
16

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

62
37
18
15
38
54
73
63
43
6
15
9
3
8
10
15

Precipitation Amount (mm)

0.3
0
0
0
0
0
0.4
0.3
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

14
15
14
13
13
12
12
11
11
11
11
11
11
11
12
13

Dew Point (°C)

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

Relative Humidity (%)

87
92
87
82
78
75
75
74
72
72
72
71
69
68
73
78

Pressure (mb)

1015
1016
1016
1016
1016
1015
1015
1015
1015
1015
1016
1016
1016
1017
1017
1017

Ozone (du)

287
286
286
286
285
286
286
286
285
285
284
283
282
282
281
281

Forecast for Upton, Cornwall, United Kingdom (50.54,-4.43)

Generated: 01/09/26 21:11:47. Forecast: 01/09/26 to 07/09/26. Timezone: UTC+1.00