Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 20

Waning Crescent 0%

07:54

18:07

22 Good
23 Good
00 OK
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 OK
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
21 Bad

Sun - Rise: 07:43, Set: 18:21, Transit: 13:02. Moon - Rise: 07:54, Set: 18:07. Civil Dark: 18:51 - 07:13. Nautical Dark: 19:25 - 06:39. Astro Dark: 19:59 - 06:05

Total Clouds (% Sky Obscured)

1
2
21
58
60
74
74
51
51
40
42
97
90
98
100
100
92
90
87
60
50
61
37
83

Low Clouds (% Sky Obscured)

1
2
21
58
60
7
41
18
24
30
0
44
66
84
93
95
80
76
62
43
50
43
29
45

Medium Clouds (% Sky Obscured)

1
2
15
25
22
31
23
40
42
35
42
91
67
95
100
100
37
30
24
0
6
41
22
65

High Clouds (% Sky Obscured)

1
2
21
0
0
0
0
0
0
0
2
0
15
0
1
1
0
0
0
0
0
3
0
32

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
3
8
9
5
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
5
18
37
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
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
None
None
None
None
None

Precipitation Probability (%)

0
0
1
1
0
0
0
0
0
0
11
22
46
95
95
64
68
78
73
31
20
9
1
2

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
1.1
1.5
0.2
0.2
0.5
0.4
0
0
0
0
0

Wind Speed/Direction (mph)

4
3
3
2
2
3
3
4
5
6
6
8
8
10
9
8
9
9
10
10
9
5
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
85
85
87
88
90
84
85
94
96
96
84
72
67
84
91
88
84
77
79
80
85
90
91

Pressure (mb)

1012
1012
1012
1011
1011
1011
1010
1009
1008
1008
1007
1006
1005
1004
1003
1002
1002
1001
1001
1002
1002
1003
1003
1003

Ozone (du)

267
268
267
266
266
266
266
266
269
271
275
277
281
284
286
293
300
301
301
300
305
313
317
319

Tuesday 21

New Moon 2%

09:00

18:28

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
21 Bad

Sun - Rise: 07:44, Set: 18:20, Transit: 13:02. Moon - Rise: 09:00, Set: 18:28. Civil Dark: 18:50 - 07:14. Nautical Dark: 19:24 - 06:40. Astro Dark: 19:58 - 06:06

Total Clouds (% Sky Obscured)

86
73
73
100
100
100
100
100
100
100
100
96
92
80
100
100
96
95
100
97
77
98
100
70

Low Clouds (% Sky Obscured)

53
57
53
69
82
70
77
80
60
62
58
73
92
58
69
70
77
70
63
70
38
60
90
48

Medium Clouds (% Sky Obscured)

45
2
4
100
99
100
100
100
100
100
100
68
57
72
98
100
81
69
99
82
57
85
54
44

High Clouds (% Sky Obscured)

80
68
73
100
100
100
92
84
98
97
68
0
1
29
70
70
65
70
61
50
51
16
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
8
7
9
9
8
9
7
9
8
4
9
9

Fog (%)

0
0
0
2
12
20
11
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
Very Light Rain
Very Light Rain
None
None
None
None
None
Light Rain
Very Light Rain
None
Very Light Rain

Precipitation Probability (%)

9
30
16
7
15
16
28
11
16
30
35
36
48
57
64
57
53
50
45
45
57
49
31
53

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
5
5
5
4
5
5
5
4
4
4
4
5
6
6
7
7
7
7
7
7
6
6
6

Dew Point (°C)

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

Relative Humidity (%)

93
90
91
91
90
93
94
91
93
96
94
90
81
73
66
60
58
64
73
81
85
95
93
90

Pressure (mb)

1003
1003
1002
1002
1002
1002
1001
1001
1001
1001
1001
1002
1001
1001
1001
1001
1001
1001
1001
1002
1002
1003
1003
1003

Ozone (du)

322
323
322
319
319
320
322
323
323
323
325
327
328
326
324
322
321
319
318
317
318
320
321
320

Wednesday 22

Waxing Crescent 5%

10:07

18:55

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
21 Bad

Sun - Rise: 07:45, Set: 18:18, Transit: 13:02. Moon - Rise: 10:07, Set: 18:55. Civil Dark: 18:48 - 07:15. Nautical Dark: 19:22 - 06:41. Astro Dark: 19:56 - 06:07

Total Clouds (% Sky Obscured)

99
99
93
97
99
98
62
96
100
100
98
96
94
92
90
88
91
96
100
98
96
95
92
89

Low Clouds (% Sky Obscured)

88
93
80
92
97
96
56
86
91
82
80
81
55
40
80
79
87
94
99
90
81
70
68
70

Medium Clouds (% Sky Obscured)

97
57
87
69
39
37
39
34
32
55
32
62
51
55
37
54
54
50
50
55
49
45
41
40

High Clouds (% Sky Obscured)

0
0
0
0
0
2
41
27
67
68
70
49
55
50
10
1
19
46
67
67
69
72
48
23

ISS Passover

Visibility (miles)

5
9
9
9
9
9
9
9
9
9
9
9
9
9
4
9
5
4
8
9
7
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
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

54
33
22
46
67
59
52
43
22
15
14
14
10
26
41
43
46
62
45
36
41
29
22
36

Precipitation Amount (mm)

0.2
0
0
0
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0
0
0
0
0
0

Wind Speed/Direction (mph)

8
7
7
6
7
8
9
9
9
8
7
7
6
7
9
9
9
10
8
9
8
6
5
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
91
90
93
91
93
93
94
86
86
86
85
78
71
64
74
67
71
79
71
81
83
86
88

Pressure (mb)

1003
1003
1003
1003
1003
1004
1005
1006
1007
1007
1008
1009
1010
1010
1010
1011
1011
1011
1012
1012
1013
1013
1014
1014

Ozone (du)

318
319
319
318
313
311
312
312
310
308
309
311
312
311
309
308
307
308
311
313
313
313
313
314

Thursday 23

Waxing Crescent 10%

11:12

19:29

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
21 Bad

Sun - Rise: 07:47, Set: 18:17, Transit: 13:02. Moon - Rise: 11:12, Set: 19:29. Civil Dark: 18:47 - 07:17. Nautical Dark: 19:21 - 06:42. Astro Dark: 19:55 - 06:08

Total Clouds (% Sky Obscured)

86
80
74
68
74
80
86
82
77
78
79
75
75
41
75
69
69
71
67
67
70
71
78
89

Low Clouds (% Sky Obscured)

69
64
62
59
62
67
75
64
52
40
44
52
59
41
65
65
60
57
54
58
60
61
73
85

Medium Clouds (% Sky Obscured)

39
38
34
35
65
63
65
65
67
61
40
15
3
2
1
0
0
0
0
1
2
2
7
11

High Clouds (% Sky Obscured)

0
1
1
15
30
25
30
30
30
0
0
0
0
0
0
0
0
1
1
1
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
8
5
4
4
7
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
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

35
37
42
42
41
48
55
66
60
30
29
19
9
13
11
5
3
4
2
4
5
6
5
5

Precipitation Amount (mm)

0
0
0
0
0
0
0.2
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

3
2
2
2
3
3
6
6
6
5
5
3
4
5
7
9
10
10
10
9
8
6
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
89
89
89
88
85
80
85
93
96
93
93
85
76
66
61
56
56
61
64
63
64
66
68

Pressure (mb)

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

Ozone (du)

315
314
312
309
306
304
303
305
309
309
305
304
302
304
304
305
306
309
311
313
315
309
306
303

Friday 24

Waxing Crescent 16%

12:14

20:11

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
21 OK

Sun - Rise: 07:48, Set: 18:15, Transit: 13:01. Moon - Rise: 12:14, Set: 20:11. Civil Dark: 18:45 - 07:18. Nautical Dark: 19:19 - 06:44. Astro Dark: 19:53 - 06:10

Total Clouds (% Sky Obscured)

98
86
73
61
93
95
97
88
77
67
74
80
86
78
70
62
62
62
61
59
56
55
38
22

Low Clouds (% Sky Obscured)

96
86
73
61
75
78
80
70
62
54
62
70
78
74
69
62
62
60
57
54
51
47
38
22

Medium Clouds (% Sky Obscured)

16
10
5
0
42
43
40
34
29
24
18
14
10
7
3
0
0
0
0
11
18
24
9
4

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
12
18
22
25
25
18
11

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 (%)

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

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

2
2
2
2
2
2
2
3
3
4
4
3
3
4
3
2
2
8
8
7
7
8
8
3

Dew Point (°C)

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

Relative Humidity (%)

69
71
69
71
72
72
72
73
75
79
82
79
76
74
69
64
61
61
60
60
64
71
79
78

Pressure (mb)

1024
1024
1024
1024
1025
1024
1025
1025
1025
1026
1026
1026
1027
1027
1027
1027
1026
1026
1026
1026
1026
1027
1027
1027

Ozone (du)

303
303
302
302
300
301
301
301
301
300
300
299
299
299
298
298
297
298
298
299
297
296
294
294

Saturday 25

Waxing Crescent 24%

13:08

21:03

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

Sun - Rise: 07:49, Set: 18:14, Transit: 13:01. Moon - Rise: 13:08, Set: 21:03. Civil Dark: 18:44 - 07:19. Nautical Dark: 19:18 - 06:45. Astro Dark: 19:52 - 06:11

Total Clouds (% Sky Obscured)

14
17
16
5
11
22
33
42
51
60
59
58
58
57
59
65
60
53
43
41
38
36
30
25

Low Clouds (% Sky Obscured)

14
17
16
5
11
22
26
37
48
58
59
58
58
57
59
58
58
52
43
41
38
36
30
25

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

4
17
16
5
11
22
25
12
4
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
0
0
0
0
0
1
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

3
3
3
4
3
2
1
1
1
1
1
1
2
2
3
3
3
7
7
7
7
8
9
4

Dew Point (°C)

2
1
2
2
2
2
1
1
1
1
1
1
1
2
2
2
2
2
2
2
2
2
2
2

Relative Humidity (%)

78
78
80
85
86
89
89
93
93
91
88
83
76
71
68
65
62
61
60
59
65
71
80
80

Pressure (mb)

1027
1027
1027
1027
1027
1027
1027
1027
1028
1028
1028
1028
1028
1028
1027
1027
1026
1026
1026
1026
1026
1026
1027
1027

Ozone (du)

294
294
293
292
291
291
291
291
291
291
291
293
295
296
294
292
290
288
286
285
283
282
281
280

Sunday 26

Waxing Crescent 33%

13:54

22:04

22 OK
23 OK
00 OK
01 OK
02 Good
03 Good
04 Good
05 Good
06 Good
07 Good

Sun - Rise: 07:51, Set: 18:12, Transit: 13:01. Moon - Rise: 13:54, Set: 22:04. Civil Dark: 18:42 - 07:20. Nautical Dark: 19:17 - 06:46. Astro Dark: 19:51 - 06:12

Total Clouds (% Sky Obscured)

23
27
23
19
15
12
7
4
2
0

Low Clouds (% Sky Obscured)

23
27
23
19
15
12
7
4
2
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
1
1
2
1
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

5
5
5
4
4
4
4
4
4
4

Chance of Frost

Temperature (°C)

4
4
3
3
3
2
2
2
1
1

Feels Like (°C)

4
4
3
3
3
1
1
1
1
1

Dew Point (°C)

2
1
1
1
0
0
0
-0
-1
-0

Relative Humidity (%)

82
83
83
85
85
86
88
88
88
89

Pressure (mb)

1027
1027
1027
1027
1028
1028
1028
1028
1028
1028

Ozone (du)

279
278
277
276
274
273
272
271
270
269

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

Generated: 20/10/25 22:00:04. Forecast: 20/10/25 to 26/10/25. Timezone: UTC-4.00