Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 1

Waning Gibbous 74%

21:11

13:13

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 06:34, Set: 20:02, Transit: 13:17. Moon - Rise: 21:11, Set: 13:13. Civil Dark: 20:36 - 06:00. Nautical Dark: 21:17 - 05:19. Astro Dark: 22:03 - 04:34

Total Clouds (% Sky Obscured)

69
74
81
100
100
100
99
100
99
100
99
74
100
100
99
99
99
99
95
100
100
100
100
99

Low Clouds (% Sky Obscured)

69
47
45
52
14
20
16
8
52
41
37
31
29
44
86
91
97
92
82
100
92
93
94
82

Medium Clouds (% Sky Obscured)

16
25
44
59
87
99
88
91
98
91
97
31
85
100
95
78
61
94
71
46
37
44
31
18

High Clouds (% Sky Obscured)

69
74
81
100
100
100
95
100
42
100
72
74
99
80
59
19
59
21
24
99
91
86
95
96

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
7
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 (%)

13
1
5
4
4
3
2
6
28
32
19
17
10
20
39
23
44
23
37
29
28
33
25
12

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
11
11
10
10
8
6
4
4
4
4
4
4
4
4
5
6
8
12
14
15
17
17
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

57
59
57
60
61
68
78
87
83
84
89
92
93
93
95
92
92
92
87
82
89
81
90
92

Pressure (mb)

1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1020
1020
1020
1019
1019
1019
1019
1019
1020
1019

Ozone (du)

318
318
316
318
318
316
313
309
307
306
304
303
300
299
296
294
293
293
293
294
295
294
293
293

Wednesday 2

Waning Gibbous 63%

21:35

No Set

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 06:35, Set: 20:00, Transit: 13:16. Moon - Rise: 21:35, Set: No Set. Civil Dark: 20:33 - 06:02. Nautical Dark: 21:15 - 05:20. Astro Dark: 22:00 - 04:36

Total Clouds (% Sky Obscured)

93
79
79
87
65
76
90
89
85
89
97
100
100
100
100
100
97
96
89
98
100
100
84
84

Low Clouds (% Sky Obscured)

93
79
79
79
53
60
60
63
63
76
94
100
100
100
100
98
97
95
89
83
89
77
84
81

Medium Clouds (% Sky Obscured)

3
1
2
12
6
5
6
13
31
17
19
28
17
19
14
12
5
7
7
5
5
6
6
7

High Clouds (% Sky Obscured)

72
21
2
3
3
3
23
70
20
15
42
61
44
79
12
70
66
52
35
87
75
89
40
40

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
14
22
15
13
0
0
16
10
21
23
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 (%)

15
25
18
2
7
1
0
0
0
2
6
10
17
17
21
16
13
19
16
4
11
9
4
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
88
81
80
73
82
95
96
96
98
98
95
95
96
100
98
98
96
100
96
96
96
91
85

Pressure (mb)

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

Ozone (du)

294
293
293
292
292
291
291
289
289
290
289
288
288
287
287
287
287
287
286
287
286
286
286
286

Thursday 3

Waning Gibbous 51%

22:08

14:38

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 06:37, Set: 19:57, Transit: 13:16. Moon - Rise: 22:08, Set: 14:38. Civil Dark: 20:31 - 06:03. Nautical Dark: 21:12 - 05:22. Astro Dark: 21:57 - 04:38

Total Clouds (% Sky Obscured)

97
87
91
90
87
97
100
100
94
94
97
94
84
93
100
99
97
98
99
99
99
100
100
100

Low Clouds (% Sky Obscured)

89
86
79
84
80
94
100
100
93
93
91
49
57
78
100
98
97
97
97
97
98
99
100
89

Medium Clouds (% Sky Obscured)

8
9
3
9
6
12
10
13
7
8
7
9
16
18
23
24
23
38
81
81
94
93
94
97

High Clouds (% Sky Obscured)

39
3
32
8
3
1
0
1
15
11
36
38
16
30
32
37
26
35
60
80
68
63
61
77

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
4
9
9
8
3
2
9
9

Fog (%)

0
0
0
0
0
0
0
0
13
55
12
1
1
1
1
1
1
1
1
1
1
1
1
1

Precipitation Type

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

Precipitation Probability (%)

5
3
7
7
7
7
10
4
3
1
3
9
5
7
30
20
27
37
43
47
51
50
46
50

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

17
16
16
16
17
17
17
17
17
17
17
16
17
17
17
17
17
17
17
17
17
17
16
15

Relative Humidity (%)

80
73
70
74
80
84
89
92
92
90
89
89
95
96
96
95
96
93
93
92
93
96
93
93

Pressure (mb)

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

Ozone (du)

286
286
286
287
286
287
287
287
287
286
286
288
287
287
288
288
288
289
288
288
288
290
291
292

Friday 4

Third Quarter 39%

22:57

15:56

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

Sun - Rise: 06:38, Set: 19:55, Transit: 13:16. Moon - Rise: 22:57, Set: 15:56. Civil Dark: 20:29 - 06:05. Nautical Dark: 21:10 - 05:24. Astro Dark: 21:54 - 04:40

Total Clouds (% Sky Obscured)

100
100
100
100
100
89
39
28
38
52
67
68
99
100
99
98
98
88
82
83
87
82
63
84

Low Clouds (% Sky Obscured)

75
61
67
20
19
20
20
19
19
17
15
15
9
7
7
6
4
4
5
5
6
10
14
15

Medium Clouds (% Sky Obscured)

98
99
99
100
100
51
10
0
0
0
0
0
0
0
1
2
2
3
4
5
7
5
0
8

High Clouds (% Sky Obscured)

88
100
100
100
100
83
18
0
16
32
53
55
98
100
98
96
96
82
72
74
69
53
22
35

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 (%)

1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1

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 (%)

30
37
11
3
1
0
0
0
0
0
0
1
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
89
89
83
78
76
80
90
90
92
90
89
87
86
84
86
85
84
80
71
61
53
47
43

Pressure (mb)

1016
1016
1017
1017
1018
1018
1019
1020
1021
1021
1022
1022
1023
1023
1023
1024
1025
1025
1026
1026
1026
1026
1027
1026

Ozone (du)

296
297
299
303
307
314
319
322
322
319
317
318
317
313
310
308
307
304
303
302
299
297
297
296

Saturday 5

Waning Crescent 28%

00:03

17:01

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

Sun - Rise: 06:40, Set: 19:53, Transit: 13:15. Moon - Rise: 00:03, Set: 17:01. Civil Dark: 20:27 - 06:06. Nautical Dark: 21:07 - 05:26. Astro Dark: 21:51 - 04:42

Total Clouds (% Sky Obscured)

60
69
84
88
92
91
89
65
61
63
62
59
57
54
47
37
23
36
56
75
83
91
100
98

Low Clouds (% Sky Obscured)

14
14
13
11
10
12
14
22
23
26
26
22
18
11
7
4
0
0
0
3
3
3
6
10

Medium Clouds (% Sky Obscured)

5
5
0
2
8
8
9
12
8
8
9
8
7
6
6
5
5
5
5
5
12
19
25
43

High Clouds (% Sky Obscured)

11
17
29
31
33
40
46
28
18
10
3
2
1
0
0
0
0
23
48
72
81
91
100
90

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 (%)

1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1

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)

6
6
6
6
6
6
6
5
5
5
5
5
4
4
5
5
5
6
8
10
13
13
13
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

43
43
46
50
55
66
78
81
81
80
83
81
83
84
86
86
84
86
71
61
51
48
46
44

Pressure (mb)

1026
1026
1026
1026
1026
1025
1026
1026
1026
1025
1025
1025
1024
1023
1023
1023
1022
1022
1022
1022
1021
1021
1020
1020

Ozone (du)

295
295
292
291
288
287
286
284
283
283
282
282
282
282
281
283
284
286
285
285
284
285
285
286

Sunday 6

Waning Crescent 18%

01:24

17:49

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 06:41, Set: 19:51, Transit: 13:15. Moon - Rise: 01:24, Set: 17:49. Civil Dark: 20:24 - 06:08. Nautical Dark: 21:05 - 05:28. Astro Dark: 21:49 - 04:44

Total Clouds (% Sky Obscured)

96
95
97
98
100
96
92
87
78
74
72
70
68
66
72
75
82
86
91
96
96
96
96
93

Low Clouds (% Sky Obscured)

10
15
12
12
8
4
4
4
4
5
5
4
3
3
6
13
19
38
57
76
55
37
21
20

Medium Clouds (% Sky Obscured)

63
82
76
69
63
51
40
26
19
12
5
8
9
11
8
5
0
0
0
0
0
7
18
32

High Clouds (% Sky Obscured)

80
71
81
91
100
93
84
75
62
48
33
34
34
35
49
65
76
79
82
85
87
89
90
74

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
5
3
5
7
9
9
9
9

Fog (%)

1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1

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
6
19
18
9
19
14
3
8
12
15
15
10
1
1
0
0
2
4
3
6
3
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

46
48
50
56
63
71
77
82
89
89
89
89
89
89
90
93
95
96
90
83
77
72
67
64

Pressure (mb)

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

Ozone (du)

286
286
286
286
287
288
288
288
288
290
292
294
294
295
296
297
298
300
299
299
299
298
298
298

Monday 7

Waning Crescent 9%

02:52

18:23

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

Sun - Rise: 06:43, Set: 19:49, Transit: 13:15. Moon - Rise: 02:52, Set: 18:23. Civil Dark: 20:22 - 06:10. Nautical Dark: 21:02 - 05:29. Astro Dark: 21:46 - 04:46

Total Clouds (% Sky Obscured)

88
84
83
81
79
73
69
75
83
92
99
96
93
89
91
91
90

Low Clouds (% Sky Obscured)

21
19
22
25
28
25
21
17
19
21
16
8
7
3
9
12
18

Medium Clouds (% Sky Obscured)

44
57
46
34
17
12
1
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

52
27
18
11
5
9
16
25
27
33
35
44
48
33
42
40
41

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1

Precipitation Type

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

Precipitation Probability (%)

7
2
6
21
42
63
69
62
35
15
12
36
54
73
61
42
4

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

12
12
12
12
12
12
12
12
12
12
11
11
11
11
11
11
11

Relative Humidity (%)

64
64
65
68
73
79
84
89
95
96
95
95
96
95
96
96
98

Pressure (mb)

1018
1017
1017
1017
1016
1016
1016
1017
1017
1017
1017
1017
1017
1017
1016
1017
1017

Ozone (du)

297
297
296
295
293
291
290
289
288
288
287
287
286
285
285
284
283

Forecast for Upton, Cornwall, United Kingdom (50.54,-4.42)

Generated: 01/09/26 14:07:08. Forecast: 01/09/26 to 07/09/26. Timezone: UTC+1.00