Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 18

Waning Crescent 3%

05:44

17:15

13 OK
14 OK
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

Sun - Rise: 07:40, Set: 18:26, Transit: 13:02. Moon - Rise: 05:44, Set: 17:15. Civil Dark: 18:56 - 07:10. Nautical Dark: 19:30 - 06:36. Astro Dark: 20:04 - 06:02

Total Clouds (% Sky Obscured)

38
40
62
70
95
94
100
100
100
100
100
100
100
100
100
96
93
95
100
94
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
13
32
8
32
50
52
72
71
73
84
62
60
55
66
68
64
51
32
41
42
44
53

Medium Clouds (% Sky Obscured)

0
40
53
45
63
51
47
33
38
62
45
99
84
91
74
52
35
54
68
83
100
75
100
95

High Clouds (% Sky Obscured)

38
40
62
61
80
78
100
100
100
97
100
100
100
100
100
52
92
89
100
89
95
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
6
8
7
5
5
9
9
6
6
9
9
6
7
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
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
None
None
None
Light Rain
None
None
None

Precipitation Probability (%)

0
0
4
12
8
23
29
49
59
65
89
95
95
81
79
66
87
57
36
65
66
33
25
46

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.2
0.3
0.7
0.8
0.9
0.6
0.5
0.2
0.4
0
0
0
0.4
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

19
21
22
19
19
18
17
16
15
15
14
14
14
14
15
15
15
15
15
15
16
17
18
19

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

50
43
43
43
50
51
52
58
61
73
82
87
89
92
92
92
92
93
90
87
82
79
73
69

Pressure (mb)

1008
1007
1006
1006
1006
1006
1007
1007
1007
1007
1007
1007
1006
1006
1005
1004
1003
1002
1001
1000
1000
999
998
997

Ozone (du)

272
272
274
272
272
273
274
274
277
277
277
274
273
271
269
268
268
268
267
268
268
267
267
267

Sunday 19

Waning Crescent 1%

06:49

17:31

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
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 07:41, Set: 18:25, Transit: 13:02. Moon - Rise: 06:49, Set: 17:31. Civil Dark: 18:54 - 07:12. Nautical Dark: 19:28 - 06:37. Astro Dark: 20:02 - 06:03

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
97
98
98
98
64
52
92
91

Low Clouds (% Sky Obscured)

49
80
92
71
94
84
80
69
39
48
55
70
79
93
91
93
83
94
94
89
64
52
57
50

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
63
66
96
91
88
97
64
100
67
72
81
51
44
33
32
30

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
0
7
83
92
100
100
83
93
5
64
7
5
2
1
0
0

ISS Passover

Visibility (miles)

9
9
9
2
5
4
9
9
7
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
45
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

49
88
95
95
95
94
64
50
52
47
50
55
53
55
38
33
25
28
19
5
5
17
15
5

Precipitation Amount (mm)

0
0.3
1.7
4.4
0.9
0.6
0.3
0
0.2
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

16
16
16
15
13
13
12
11
10
9
9
9
8
9
10
9
9
9
9
10
9
10
11
10

Chance of Frost

Temperature (°C)

20
20
19
18
17
16
14
13
13
13
12
12
12
11
11
10
10
9
9
9
9
10
10
11

Feels Like (°C)

16
16
15
15
14
13
11
10
10
10
9
9
9
9
8
8
7
7
6
6
6
7
8
7

Dew Point (°C)

12
11
11
11
15
14
12
11
12
11
10
10
10
9
9
8
8
7
7
7
6
6
5
6

Relative Humidity (%)

61
57
57
63
89
90
87
90
92
87
84
86
86
86
86
87
85
87
87
84
81
76
68
71

Pressure (mb)

996
995
994
994
995
996
998
999
1000
1001
1002
1002
1003
1004
1004
1005
1006
1007
1008
1008
1009
1010
1011
1011

Ozone (du)

268
269
269
268
270
273
275
278
281
284
282
284
285
287
287
288
289
291
293
295
297
303
306
299

Monday 20

Waning Crescent 0%

07:54

17:48

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

Sun - Rise: 07:43, Set: 18:23, Transit: 13:02. Moon - Rise: 07:54, Set: 17:48. Civil Dark: 18:53 - 07:13. Nautical Dark: 19:27 - 06:39. Astro Dark: 20:01 - 06:05

Total Clouds (% Sky Obscured)

89
35
63
41
11
5
13
16
36
5
9
6
8
26
29
34
35
37
17
37
52
67
88
99

Low Clouds (% Sky Obscured)

52
30
42
26
10
5
1
0
13
0
8
6
8
13
9
18
19
15
15
17
17
19
49
86

Medium Clouds (% Sky Obscured)

23
19
2
0
0
0
0
0
0
0
0
0
0
23
28
28
23
20
0
13
27
45
75
50

High Clouds (% Sky Obscured)

0
0
0
0
0
0
7
9
22
2
2
0
0
0
0
0
0
0
0
4
7
8
6
3

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 (%)

4
0
0
0
0
0
0
0
0
0
3
0
0
0
0
0
0
0
0
7
11
14
20
21

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
12
11
9
8
6
5
4
3
2
1
2
2
3
5
5
5
7
8
8
10
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

67
63
53
56
55
60
69
74
77
75
77
78
79
84
84
87
88
88
87
85
74
63
58
53

Pressure (mb)

1011
1011
1011
1012
1012
1012
1013
1013
1013
1014
1013
1013
1012
1012
1012
1011
1011
1010
1009
1009
1008
1007
1006
1005

Ozone (du)

294
288
284
281
276
272
269
266
265
265
265
264
264
265
264
264
264
264
264
265
268
270
270
271

Tuesday 21

New Moon 0%

09:00

18:07

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
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 07:44, Set: 18:21, Transit: 13:02. Moon - Rise: 09:00, Set: 18:07. Civil Dark: 18:51 - 07:14. Nautical Dark: 19:25 - 06:40. Astro Dark: 19:59 - 06:06

Total Clouds (% Sky Obscured)

100
98
97
95
97
98
100
92
85
85
86
86
80
88
90
89
91
92
67
97
99
100
100
100

Low Clouds (% Sky Obscured)

100
98
88
92
88
78
78
72
70
71
67
64
51
55
57
54
57
58
51
58
63
66
76
90

Medium Clouds (% Sky Obscured)

90
88
75
76
84
47
60
49
32
16
25
34
58
71
79
82
81
82
49
88
92
99
99
100

High Clouds (% Sky Obscured)

0
25
9
10
37
68
95
63
30
0
11
12
17
13
8
32
42
22
33
74
86
100
100
100

ISS Passover

Visibility (miles)

9
9
9
8
9
9
9
9
9
3
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
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain

Precipitation Probability (%)

21
43
60
74
63
67
68
64
73
57
31
27
17
26
32
26
27
34
32
34
36
37
51
62

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

10
10
10
10
8
8
8
7
6
6
7
4
4
5
5
5
5
6
7
6
7
8
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

2
2
5
7
9
9
9
9
9
9
7
6
6
6
5
5
5
5
5
5
5
5
5
3

Relative Humidity (%)

53
53
63
72
86
88
91
91
93
95
87
87
90
93
93
91
90
90
90
94
90
81
77
65

Pressure (mb)

1004
1004
1003
1003
1003
1003
1003
1004
1003
1003
1003
1003
1003
1003
1003
1003
1003
1003
1003
1002
1002
1002
1002
1002

Ozone (du)

274
276
277
277
279
285
290
293
295
296
299
304
311
314
315
315
318
319
320
317
320
323
324
326

Wednesday 22

Waxing Crescent 2%

10:07

18:28

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
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 07:45, Set: 18:20, Transit: 13:02. Moon - Rise: 10:07, Set: 18:28. Civil Dark: 18:50 - 07:15. Nautical Dark: 19:24 - 06:41. Astro Dark: 19:58 - 06:07

Total Clouds (% Sky Obscured)

100
100
100
100
97
94
92
94
97
100
91
100
100
95
93
91
89
85
83
80
74
70
80
90

Low Clouds (% Sky Obscured)

90
94
92
90
88
85
82
85
89
92
72
90
91
84
81
78
72
64
59
59
60
58
74
88

Medium Clouds (% Sky Obscured)

100
100
100
100
85
71
56
66
73
94
61
100
100
84
77
71
71
70
69
70
67
64
63
66

High Clouds (% Sky Obscured)

100
94
88
83
59
35
6
39
61
83
84
82
100
45
27
8
7
1
0
4
3
5
9
17

ISS Passover

Visibility (miles)

9
9
6
6
9
9
9
9
9
7
9
7
2
6
6
7
7
8
9
9
9
8
7
8

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

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

Precipitation Probability (%)

73
76
78
78
68
56
46
41
44
27
53
95
95
94
85
79
77
70
57
57
51
39
51
55

Precipitation Amount (mm)

0.3
0.4
0.5
0.4
0.3
0.2
0
0
0
0
0
2.2
0.7
0.6
0.5
0.3
0.4
0.3
0
0.2
0
0
0
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

61
60
72
80
82
85
88
90
88
90
90
96
98
93
93
93
93
93
94
93
88
83
79
82

Pressure (mb)

1002
1001
1002
1002
1002
1002
1003
1003
1003
1003
1002
1002
1002
1001
1005
1006
1006
1007
1007
1008
1008
1009
1009
1010

Ozone (du)

327
328
328
328
327
325
324
322
318
315
315
313
313
314
315
317
318
320
323
326
325
325
325
324

Thursday 23

Waxing Crescent 5%

11:12

18:55

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
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 07:47, Set: 18:18, Transit: 13:02. Moon - Rise: 11:12, Set: 18:55. Civil Dark: 18:48 - 07:17. Nautical Dark: 19:22 - 06:42. Astro Dark: 19:56 - 06:08

Total Clouds (% Sky Obscured)

100
92
85
75
77
87
99
82
64
50
60
67
72
73
75
77
72
66
61
75
87
99
96
92

Low Clouds (% Sky Obscured)

100
92
85
75
77
87
99
82
64
50
60
67
72
73
75
77
72
66
61
66
64
61
65
71

Medium Clouds (% Sky Obscured)

65
63
60
53
55
48
47
23
11
2
1
1
0
0
0
0
0
0
0
26
51
77
63
49

High Clouds (% Sky Obscured)

42
34
23
9
8
7
6
4
2
1
2
3
3
2
1
0
0
1
2
24
40
70
52
37

ISS Passover

Visibility (miles)

8
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

Very Light Rain
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 (%)

56
46
35
24
24
23
21
25
24
17
22
21
14
18
17
11
15
14
9
10
9
4
12
15

Precipitation Amount (mm)

0.2
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
10
10
10
10
9
7
6
6
4
4
3
4
5
5
4
4
4
5
5
6
7
8
9

Chance of Frost

Temperature (°C)

7
7
7
7
7
7
7
6
6
5
5
4
4
4
4
4
4
4
4
4
6
7
8
9

Feels Like (°C)

5
7
5
4
4
4
3
4
2
2
1
1
1
1
1
1
1
1
1
1
2
3
3
4

Dew Point (°C)

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

Relative Humidity (%)

87
91
90
88
88
88
87
87
86
88
88
88
86
85
85
85
85
82
82
79
74
67
62
61

Pressure (mb)

1010
1010
1011
1012
1012
1013
1014
1015
1015
1016
1016
1017
1017
1018
1018
1018
1019
1019
1019
1020
1020
1020
1021
1020

Ozone (du)

323
323
323
323
323
324
326
327
327
327
327
326
324
323
321
320
319
317
316
315
310
305
300
299

Friday 24

Waxing Crescent 10%

12:14

19:29

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

Sun - Rise: 07:48, Set: 18:17, Transit: 13:02. Moon - Rise: 12:14, Set: 19:29. Civil Dark: 18:47 - 07:18. Nautical Dark: 19:21 - 06:44. Astro Dark: 19:55 - 06:10

Total Clouds (% Sky Obscured)

90
93
96
98
99
99
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

75
68
54
44
45
44
36
58
79
100
97
96
94
97
97
99
87
77
68

Medium Clouds (% Sky Obscured)

37
34
25
19
33
46
55
45
25
16
18
17
20
32
44
61
76
89
100

High Clouds (% Sky Obscured)

9
37
66
95
95
95
80
34
16
18
34
52
68
79
87
95
95
95
95

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
8
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

Precipitation Type

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

Precipitation Probability (%)

13
18
17
11
17
19
17
34
51
71
94
95
95
95
95
95
95
95
90

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.2
0.4
0.7
1
1.3
1.2
0.8
0.8
0.9
0.7
0.5

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
5
7
7
6
6
6
5
5
5
5
6
6
6
6
6
6
7
7

Dew Point (°C)

2
2
3
4
4
5
5
5
5
5
5
5
5
5
5
5
5
5
5

Relative Humidity (%)

59
57
61
65
69
73
77
79
82
82
84
84
84
84
84
84
85
85
87

Pressure (mb)

1020
1020
1020
1020
1020
1020
1020
1020
1019
1019
1019
1019
1018
1018
1017
1017
1017
1017
1017

Ozone (du)

298
297
296
296
295
294
293
292
291
290
290
290
291
291
293
294
296
297
297

Forecast for Glen Echo, Canada (44.94,-79.51)

Generated: 18/10/25 13:33:01. Forecast: 18/10/25 to 24/10/25. Timezone: UTC-4.00