Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 20

New Moon 0%

08:29

16:09

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

Sun - Rise: 06:52, Set: 16:21, Transit: 11:36. Moon - Rise: 08:29, Set: 16:09. Civil Dark: 16:52 - 06:21. Nautical Dark: 17:27 - 05:46. Astro Dark: 18:01 - 05:12

Total Clouds (% Sky Obscured)

100
99
95
63
56
30
27
25
10
6
3
3
0
0
2
41
35
36
36
30
34
5
82
49

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
1
1
2
27

Medium Clouds (% Sky Obscured)

97
75
46
53
27
24
21
10
5
2
1
2
0
0
0
0
0
21
11
20
0
0
1
7

High Clouds (% Sky Obscured)

100
99
80
63
49
11
11
20
5
0
0
0
0
0
2
41
35
36
36
30
18
5
82
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 (%)

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)

3
2
2
1
1
2
2
2
2
2
2
2
2
2
3
2
3
4
3
3
2
2
3
3

Chance of Frost

Temperature (°C)

-4
-2
0
3
4
5
4
2
1
0
-0
-1
-2
-2
-3
-3
-3
-4
-4
-4
-5
-5
-5
-4

Feels Like (°C)

-7
-5
-2
0
1
3
3
1
-1
-1
-1
-2
-3
-3
-4
-4
-7
-8
-7
-8
-8
-6
-6
-7

Dew Point (°C)

-10
-10
-9
-8
-7
-7
-6
-5
-5
-5
-5
-6
-6
-6
-6
-6
-6
-7
-7
-7
-7
-8
-7
-8

Relative Humidity (%)

61
54
49
45
43
43
46
59
65
67
70
71
74
75
78
79
79
82
79
81
81
84
84
73

Pressure (mb)

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

Ozone (du)

284
285
286
289
291
292
293
294
293
294
293
290
292
299
300
296
295
294
293
294
295
299
302
301

Friday 21

Waxing Crescent 2%

No Rise

16:49

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
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 06:53, Set: 16:20, Transit: 11:36. Moon - Rise: No Rise, Set: 16:49. Civil Dark: 16:51 - 06:22. Nautical Dark: 17:26 - 05:47. Astro Dark: 18:00 - 05:13

Total Clouds (% Sky Obscured)

92
90
86
94
95
93
100
100
92
94
80
88
96
85
89
100
94
100
100
100
100
100
96
100

Low Clouds (% Sky Obscured)

92
86
25
28
71
91
100
100
92
94
80
88
96
62
67
91
92
47
76
52
33
85
61
42

Medium Clouds (% Sky Obscured)

0
33
54
51
37
18
3
0
1
0
0
12
23
31
55
65
60
60
59
87
100
100
91
100

High Clouds (% Sky Obscured)

5
3
52
52
50
8
3
2
2
23
25
18
30
35
56
100
81
100
100
100
100
100
78
99

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
1
2
4
5
4
7
6
1
4
15
20
27
28
15
32

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)

2
4
7
8
7
6
5
4
4
4
4
4
4
3
3
2
1
1
1
1
1
2
3
3

Chance of Frost

Temperature (°C)

-1
2
3
5
6
6
6
5
4
4
4
3
3
3
3
3
3
3
2
2
2
2
2
2

Feels Like (°C)

-3
-2
-1
2
3
3
4
3
1
1
2
1
1
1
1
1
1
1
1
0
1
-1
-1
-1

Dew Point (°C)

-7
-5
-3
-2
-2
-1
1
2
2
2
3
3
3
3
3
2
2
2
2
2
2
1
1
1

Relative Humidity (%)

60
62
63
59
59
64
74
82
88
91
94
96
96
96
96
96
96
96
96
96
98
96
96
93

Pressure (mb)

1019
1018
1016
1014
1013
1013
1012
1012
1012
1012
1012
1012
1012
1012
1011
1011
1011
1011
1011
1011
1011
1011
1012
1012

Ozone (du)

302
299
299
297
297
296
294
287
285
287
287
290
292
293
292
289
289
289
289
287
285
285
285
284

Saturday 22

Waxing Crescent 6%

09:26

17:38

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

Sun - Rise: 06:54, Set: 16:20, Transit: 11:36. Moon - Rise: 09:26, Set: 17:38. Civil Dark: 16:51 - 06:23. Nautical Dark: 17:26 - 05:48. Astro Dark: 18:00 - 05:14

Total Clouds (% Sky Obscured)

100
100
99
93
84
82
22
26
20
31
31
34
33
94
90
64
92
94
95
96
98
99
97
91

Low Clouds (% Sky Obscured)

22
64
99
65
40
22
11
16
15
22
25
31
33
37
31
28
32
33
27
19
9
4
6
8

Medium Clouds (% Sky Obscured)

56
62
20
11
23
0
0
3
0
0
0
0
0
4
9
6
14
37
57
71
88
99
92
81

High Clouds (% Sky Obscured)

100
100
58
15
10
20
1
0
0
0
0
0
4
75
70
37
60
70
45
40
13
16
18
20

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 (%)

27
20
4
12
10
4
4
4
5
5
3
6
15
2
1
0
1
1
1
1
1
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)

3
5
6
6
8
8
8
6
5
4
3
3
3
3
3
3
2
2
3
3
3
2
2
2

Chance of Frost

Temperature (°C)

4
5
6
6
6
6
5
4
1
0
0
-0
-1
-1
-1
-1
-2
-1
-1
-1
-1
-2
-2
-1

Feels Like (°C)

1
3
3
3
2
2
0
1
-1
-1
-1
-1
-1
-2
-3
-4
-4
-4
-4
-4
-4
-5
-5
-4

Dew Point (°C)

2
4
4
3
0
-1
-3
-3
-3
-3
-2
-2
-2
-2
-3
-3
-3
-3
-3
-3
-3
-4
-4
-5

Relative Humidity (%)

91
88
84
81
64
59
58
63
73
80
84
87
87
89
87
87
87
87
86
87
86
84
84
75

Pressure (mb)

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

Ozone (du)

282
283
282
281
280
279
279
281
283
285
287
289
287
288
289
291
294
298
303
306
309
312
313
315

Sunday 23

Waxing Crescent 11%

10:15

18:36

09 Bad
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
00 Bad
01 Bad
02 Bad
03 OK
04 OK
05 OK
06 OK
07 OK
08 OK

Sun - Rise: 06:55, Set: 16:19, Transit: 11:37. Moon - Rise: 10:15, Set: 18:36. Civil Dark: 16:50 - 06:24. Nautical Dark: 17:25 - 05:49. Astro Dark: 17:59 - 05:15

Total Clouds (% Sky Obscured)

77
43
84
63
72
78
100
98
96
92
72
73
82
87
67
67
61
40
46
35
33
34
35
33

Low Clouds (% Sky Obscured)

10
9
46
4
6
7
10
11
11
18
17
24
50
83
44
67
61
20
46
29
29
34
33
33

Medium Clouds (% Sky Obscured)

60
27
75
43
41
53
100
96
92
86
46
46
53
53
47
33
23
12
0
0
0
0
0
0

High Clouds (% Sky Obscured)

25
43
64
63
63
32
0
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
1
2
6
9
10
17
20
23
24
24
22
20
16
2
5
4
1
3
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)

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

Chance of Frost

Temperature (°C)

-1
1
2
3
4
4
3
2
1
1
0
0
0
0
2
2
3
3
2
3
2
2
2
2

Feels Like (°C)

-4
-2
-0
-0
1
1
1
-1
-2
-3
-3
-2
-2
-2
-2
-0
0
0
1
-2
-1
-1
-1
-1

Dew Point (°C)

-7
-8
-9
-9
-9
-8
-7
-5
-5
-5
-4
-3
-3
-2
-3
-1
-1
-1
-1
-2
-2
-3
-3
-3

Relative Humidity (%)

63
52
43
40
39
42
48
60
65
67
73
78
83
83
74
83
79
74
82
70
72
69
70
69

Pressure (mb)

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

Ozone (du)

315
314
315
314
313
311
309
310
310
310
311
310
311
310
310
309
308
308
308
308
306
307
306
304

Monday 24

Waxing Crescent 18%

10:56

19:40

09 OK
10 OK
11 Bad
12 Bad
13 Bad
14 OK
15 OK
16 OK
17 OK
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

Sun - Rise: 06:57, Set: 16:18, Transit: 11:37. Moon - Rise: 10:56, Set: 19:40. Civil Dark: 16:50 - 06:25. Nautical Dark: 17:25 - 05:50. Astro Dark: 17:59 - 05:16

Total Clouds (% Sky Obscured)

33
39
52
59
50
40
29
44
48
50
59
74
81
78
72
72
76
84
90
92
97
100
100
100

Low Clouds (% Sky Obscured)

33
39
52
59
50
40
29
25
16
7
11
15
19
14
8
1
12
24
36
24
12
3
4
4

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
1
2
2
14
25
37
35
33
25
30
55
72
92
97
99
99
100

High Clouds (% Sky Obscured)

0
0
1
0
0
0
1
30
45
50
59
74
81
78
72
72
76
84
90
88
93
100
100
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 (%)

1
2
1
0
1
1
0
0
0
0
0
0
0
0
0
0
0
1
1
10
16
20
21
19

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)

8
9
9
10
10
9
7
5
4
3
3
2
1
1
1
1
1
1
1
1
1
1
1
1

Chance of Frost

Temperature (°C)

3
4
5
6
6
5
5
3
2
1
1
0
-0
-0
-1
-1
-1
-1
-2
-2
-3
-3
-3
-2

Feels Like (°C)

1
1
2
2
2
2
2
2
-1
-2
-3
-3
-3
-3
-3
-3
-4
-4
-4
-5
-5
-5
-5
-4

Dew Point (°C)

-3
-4
-6
-6
-6
-5
-5
-3
-3
-3
-3
-3
-4
-3
-4
-4
-4
-5
-5
-6
-6
-6
-5
-4

Relative Humidity (%)

64
54
46
44
44
47
51
64
73
76
75
78
78
81
80
80
78
77
75
74
76
81
86
84

Pressure (mb)

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

Ozone (du)

302
300
299
296
294
291
288
285
283
282
282
281
280
278
278
277
276
278
279
281
283
285
288
288

Tuesday 25

Waxing Crescent 27%

11:29

20:48

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
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 06:58, Set: 16:18, Transit: 11:37. Moon - Rise: 11:29, Set: 20:48. Civil Dark: 16:49 - 06:26. Nautical Dark: 17:24 - 05:51. Astro Dark: 17:59 - 05:17

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

5
5
5
0
33
67
100
98
96
94
96
98
100
100
100
100
100
100
100
100
100
100
99
98

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
99
98
98
97
96
94
84
74
64
52
40
27
18
10
1
3
4

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
70
40
4
0
0
0
1
1
0
0
0
0
1
3
4
2
2

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

14
16
20
23
30
38
46
83
95
95
95
95
95
95
95
95
80
53
18
13
8
1
1
1

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.4
0.8
1.3
1.4
1.2
1
0.9
1
0.9
0.6
0.2
0
0
0
0
0
0

Wind Speed/Direction (mph)

2
2
3
3
4
4
3
3
3
3
4
3
2
2
1
1
1
1
1
1
1
1
1
1

Chance of Frost

Temperature (°C)

-1
0
1
2
2
2
2
2
2
2
2
1
2
1
2
1
2
2
2
2
3
3
3
4

Feels Like (°C)

-4
-4
-3
-2
-3
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
0
0
0
0
0
2

Dew Point (°C)

-4
-3
-2
-1
-1
-0
0
1
1
1
1
1
1
1
1
1
1
2
2
2
3
3
3
4

Relative Humidity (%)

81
80
80
81
82
85
88
91
93
94
96
98
98
98
98
98
98
98
98
98
100
100
98
94

Pressure (mb)

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

Ozone (du)

289
290
290
290
290
288
287
286
285
284
283
282
282
281
279
278
277
274
272
269
269
268
267
267

Wednesday 26

Waxing Crescent 36%

11:56

21:57

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

Sun - Rise: 06:59, Set: 16:17, Transit: 11:38. Moon - Rise: 11:56, Set: 21:57. Civil Dark: 16:49 - 06:27. Nautical Dark: 17:24 - 05:52. Astro Dark: 17:58 - 05:18

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

98
96
93
87
87
88
89
90
89
89
93
96
100
100
100
100

Medium Clouds (% Sky Obscured)

4
4
3
2
15
30
44
63
81
100
100
100
100
95
92
88

High Clouds (% Sky Obscured)

1
2
7
10
37
72
100
100
100
100
100
100
100
67
37
10

ISS Passover

Visibility (miles)

5
6
6
5
4
4
4
3
3
2
1
1
1
1
1
1

Fog (%)

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

Precipitation Probability (%)

0
0
1
0
0
0
0
8
16
28
56
73
86
79
68
52

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

2
3
3
3
4
3
3
3
3
3
3
3
3
3
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
91
91
91
93
95
96
98
100
98
100
98
100
98
98
98

Pressure (mb)

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

Ozone (du)

266
265
265
264
264
264
265
265
266
266
266
265
265
264
264
264

Forecast for Chester, Windsor, United States of America (43.26,-72.60)

Generated: 20/11/25 09:04:26. Forecast: 20/11/25 to 26/11/25. Timezone: UTC-5.00