Clear Outside v1.0 - International Weather Forecasts For Astronomers

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 OK
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 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)

100
100
100
100
100
100
100
100
100
100
100
100
92
71
40
43
42
61
71
47
51
49
49
61

Low Clouds (% Sky Obscured)

86
100
90
89
95
97
94
88
89
87
87
86
84
68
40
40
39
57
67
42
45
46
44
50

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
77
65
1
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
27
24
24
0
0
0
0
0
1
0
0
0
0

ISS Passover

Visibility (miles)

9
9
6
4
3
3
3
3
2
3
4
1
9
7
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
2
4
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
95
95
95
95
95
95
95
95
95
95
57
26
1
4
6
17
14
2
13
3
2
6

Precipitation Amount (mm)

0.5
0.8
0.6
0.9
1.5
1.7
1.9
2
1.9
1.4
2.2
1
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

11
11
12
11
10
10
8
8
7
6
5
8
10
12
14
17
18
18
19
19
18
16
15
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

12
12
13
13
13
13
13
13
13
13
13
13
12
12
11
9
8
8
8
7
7
8
8
8

Relative Humidity (%)

77
79
92
95
95
98
96
96
98
98
98
96
95
87
82
67
60
59
64
61
60
68
71
70

Pressure (mb)

1017
1017
1016
1016
1015
1014
1013
1013
1012
1011
1011
1011
1011
1011
1011
1012
1012
1013
1013
1013
1013
1014
1014
1015

Ozone (du)

290
291
291
291
291
293
295
297
298
300
306
310
315
329
345
342
331
332
334
338
340
340
340
339

Tuesday 8

Waning Crescent 4%

04:19

19:05

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

Sun - Rise: 06:44, Set: 19:44, Transit: 13:14. Moon - Rise: 04:19, Set: 19:05. Civil Dark: 20:17 - 06:11. Nautical Dark: 20:58 - 05:31. Astro Dark: 21:43 - 04:48

Total Clouds (% Sky Obscured)

62
65
70
55
57
80
81
77
79
73
54
51
58
67
68
63
37
34
37
24
32
82
91
100

Low Clouds (% Sky Obscured)

40
41
52
44
44
72
81
77
79
73
48
41
48
66
68
63
32
22
28
16
18
22
13
0

Medium Clouds (% Sky Obscured)

22
18
14
1
1
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
7
1
1
6
62
81
100

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 (%)

9
13
15
17
22
16
10
14
11
11
4
5
3
8
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)

11
11
10
10
9
9
8
9
8
8
7
7
9
10
10
10
8
8
8
10
7
8
7
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

65
70
77
81
87
88
84
76
76
76
77
81
72
66
61
61
59
55
52
54
56
61
72
84

Pressure (mb)

1015
1016
1016
1017
1017
1018
1018
1018
1018
1019
1019
1020
1020
1021
1021
1021
1021
1021
1021
1021
1020
1021
1021
1021

Ozone (du)

341
343
342
341
341
341
339
339
338
338
338
336
334
332
331
328
326
324
322
318
315
311
308
305

Wednesday 9

Waning Crescent 1%

05:44

19:20

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: 06:46, Set: 19:42, Transit: 13:14. Moon - Rise: 05:44, Set: 19:20. Civil Dark: 20:15 - 06:13. Nautical Dark: 20:55 - 05:33. Astro Dark: 21:40 - 04:50

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
90
94
97
80
89
84
99
99
100
100
100
100
100
99
100
100
94
80

Low Clouds (% Sky Obscured)

7
0
7
23
26
31
35
43
49
22
37
55
60
87
96
75
74
61
58
81
96
94
94
72

Medium Clouds (% Sky Obscured)

0
2
3
0
5
5
43
46
91
14
52
10
76
32
99
79
15
14
19
24
97
36
26
33

High Clouds (% Sky Obscured)

100
100
100
100
100
40
35
40
35
30
6
31
86
85
96
100
97
100
100
46
98
100
74
26

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 (%)

1
1
1
0
1
2
2
8
2
5
5
10
12
11
11
16
15
34
42
35
40
36
22
25

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)

3
2
2
2
2
2
3
3
2
3
3
4
7
11
13
13
15
16
16
16
16
14
14
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
84
82
84
81
83
84
87
90
91
91
86
82
78
77
77
68
64
60
63
66
75
82
80

Pressure (mb)

1021
1021
1021
1021
1020
1020
1019
1019
1019
1019
1018
1018
1018
1018
1018
1018
1017
1017
1016
1016
1015
1015
1015
1015

Ozone (du)

305
305
305
305
304
304
304
305
308
309
311
308
304
301
298
296
294
293
293
291
289
289
288
288

Thursday 10

Waning Crescent 0%

07:06

19:33

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

Sun - Rise: 06:48, Set: 19:40, Transit: 13:14. Moon - Rise: 07:06, Set: 19:33. Civil Dark: 20:13 - 06:14. Nautical Dark: 20:53 - 05:35. Astro Dark: 21:38 - 04:52

Total Clouds (% Sky Obscured)

83
85
88
90
81
67
50
58
55
53
52
56
74
72
69
53
36
28
24
36
20
21
64
62

Low Clouds (% Sky Obscured)

83
85
88
90
81
67
48
58
53
48
40
35
49
57
67
53
25
8
5
5
5
10
4
1

Medium Clouds (% Sky Obscured)

53
52
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

2
0
0
0
0
0
0
0
0
0
17
37
55
38
18
0
0
0
0
21
6
6
63
62

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
8
2
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 (%)

23
19
13
13
16
18
32
28
20
10
12
15
15
17
15
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
13
13
13
13
13
14
14
14
15
14
16
16
16
16
15
16
16
15
15
14
14
13
11

Dew Point (°C)

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

Relative Humidity (%)

87
86
87
86
90
92
95
98
98
98
96
95
87
79
75
73
68
64
64
66
69
75
82
93

Pressure (mb)

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

Ozone (du)

288
288
291
295
300
301
302
303
303
303
303
303
303
304
307
309
310
311
311
309
310
309
304
303

Friday 11

New Moon 2%

08:25

19:47

21 Good
22 OK
23 OK
00 Bad
01 Bad
02 Bad
03 Bad
04 OK
05 OK
06 OK
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: 06:49, Set: 19:38, Transit: 13:13. Moon - Rise: 08:25, Set: 19:47. Civil Dark: 20:11 - 06:16. Nautical Dark: 20:50 - 05:36. Astro Dark: 21:35 - 04:54

Total Clouds (% Sky Obscured)

8
30
25
64
62
57
50
26
44
40
53
53
55
70
82
94
93
92
91
94
97
99
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
17
38
70
82
94
86
78
69
73
78
84
90
95

Medium Clouds (% Sky Obscured)

0
0
0
0
5
5
5
5
5
6
38
53
55
70
82
6
32
59
85
89
92
95
100
100

High Clouds (% Sky Obscured)

8
30
23
63
52
39
32
9
21
13
25
16
35
35
35
40
50
62
71
88
94
98
95
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
8
8
5

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
Very Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
11
17
21
46
63
77
84
91

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.4
0.5
0.6

Wind Speed/Direction (mph)

6
4
4
3
3
2
2
1
1
2
2
3
5
7
8
9
13
13
14
15
14
14
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
91
91
88
88
87
87
85
85
85
88
85
79
76
78
82
77
78
81
83
87
92
95
96

Pressure (mb)

1025
1025
1025
1025
1025
1025
1025
1024
1024
1024
1024
1024
1024
1024
1024
1023
1023
1022
1021
1021
1020
1020
1019
1019

Ozone (du)

302
301
298
297
296
296
296
297
296
294
293
294
294
297
297
299
299
299
298
298
300
303
305
308

Saturday 12

Waxing Crescent 7%

09:43

20:01

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: 06:51, Set: 19:35, Transit: 13:13. Moon - Rise: 09:43, Set: 20:01. Civil Dark: 20:08 - 06:18. Nautical Dark: 20:48 - 05:38. Astro Dark: 21:32 - 04:56

Total Clouds (% Sky Obscured)

100
98
97
96
90
84
80
81
80
75
80
85
93
82
77
73
70
66
62
64
63
66
62
57

Low Clouds (% Sky Obscured)

98
95
93
89
78
68
60
43
28
9
5
5
5
6
7
8
7
5
4
0
0
0
0
4

Medium Clouds (% Sky Obscured)

100
85
69
56
46
27
10
12
14
16
14
8
9
7
6
5
2
1
0
0
0
0
0
1

High Clouds (% Sky Obscured)

86
59
28
0
9
18
26
36
45
55
65
71
80
65
50
33
30
28
26
34
46
53
52
51

ISS Passover

Visibility (miles)

3
0
3
6
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

Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
86
70
49
36
26
17
15
12
4
8
11
9
15
13
3
8
8
2
7
8
8
10
10

Precipitation Amount (mm)

0.8
0.6
0.4
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
12
11
11
11
10
9
9
9
8
8
9
10
12
12
12
13
13
13
13
11
10
9
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
98
95
93
93
93
92
92
93
95
95
90
85
82
73
64
58
59
58
58
65
73
81
83

Pressure (mb)

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

Ozone (du)

310
313
313
313
314
310
307
304
302
300
298
294
291
287
285
283
281
279
276
274
274
274
274
274

Sunday 13

Waxing Crescent 13%

11:00

20:17

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 OK
16 OK
17 Bad
18 Bad

Sun - Rise: 06:52, Set: 19:33, Transit: 13:13. Moon - Rise: 11:00, Set: 20:17. Civil Dark: 20:06 - 06:19. Nautical Dark: 20:45 - 05:40. Astro Dark: 21:30 - 04:58

Total Clouds (% Sky Obscured)

62
63
63
68
72
76
76
71
71
70
69
65
58
69
78
91
70
49
29
27
29
34

Low Clouds (% Sky Obscured)

4
13
19
25
24
28
28
26
25
24
32
40
47
59
70
84
64
42
15
12
4
0

Medium Clouds (% Sky Obscured)

1
2
6
15
17
17
15
12
10
6
7
0
0
0
0
0
0
0
0
0
1
0

High Clouds (% Sky Obscured)

61
54
47
41
42
58
65
70
71
70
69
65
58
69
65
65
37
17
0
4
8
13

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

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
None
None
None
None
None
None
None

Precipitation Probability (%)

9
10
16
15
22
21
14
19
18
11
11
11
11
16
19
18
19
16
5
13
23
28

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
16
16
16
15
16
16
16
16
16
16
16
16
15
16
16
16
20
19
18
18
18

Dew Point (°C)

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

Relative Humidity (%)

87
92
92
90
90
92
92
93
92
93
95
92
88
86
80
73
68
68
68
67
73
78

Pressure (mb)

1020
1020
1020
1020
1020
1020
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019

Ozone (du)

274
274
274
274
274
274
275
275
276
277
278
279
280
282
282
282
283
282
282
281
280
279

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

Generated: 07/09/26 21:32:15. Forecast: 07/09/26 to 13/09/26. Timezone: UTC+1.00