Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 17

Waning Crescent 17%

02:14

19:48

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

Sun - Rise: 07:11, Set: 19:51, Transit: 13:31. Moon - Rise: 02:14, Set: 19:48. Civil Dark: 20:36 - 06:26. Nautical Dark: 21:32 - 05:30. Astro Dark: 22:36 - 04:30

Total Clouds (% Sky Obscured)

77
47
60
55
55
50
67
40
19
4
9
13
37
2
2
1
1
4
20
27
33
30
35
52

Low Clouds (% Sky Obscured)

31
25
28
30
28
34
47
11
0
0
0
0
0
0
0
0
0
4
20
27
33
30
35
44

Medium Clouds (% Sky Obscured)

0
0
31
39
36
13
26
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

77
47
60
5
6
25
49
40
19
4
9
13
23
2
2
1
1
4
4
4
4
4
5
49

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)

7
7
8
8
10
11
12
12
12
12
12
13
13
13
13
13
12
12
12
12
12
11
11
10

Chance of Frost

Temperature (°C)

10
10
9
10
11
13
14
16
17
18
19
19
19
19
18
17
16
15
15
15
15
14
14
14

Feels Like (°C)

8
7
7
7
9
10
12
13
14
15
17
17
16
16
15
14
13
13
13
12
12
13
13
12

Dew Point (°C)

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

Relative Humidity (%)

91
91
93
88
81
72
63
56
51
46
44
42
44
46
49
52
53
53
53
54
57
62
66
67

Pressure (mb)

1019
1019
1019
1019
1019
1018
1018
1017
1016
1016
1015
1014
1013
1013
1012
1011
1011
1011
1010
1010
1009
1009
1008
1008

Ozone (du)

260
258
258
255
252
250
248
247
246
246
246
244
244
245
245
245
245
245
245
245
245
247
249
250

Thursday 18

Waning Crescent 10%

04:00

19:40

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

Sun - Rise: 07:14, Set: 19:48, Transit: 13:31. Moon - Rise: 04:00, Set: 19:40. Civil Dark: 20:33 - 06:29. Nautical Dark: 21:28 - 05:33. Astro Dark: 22:32 - 04:34

Total Clouds (% Sky Obscured)

52
47
76
56
79
58
83
41
40
39
68
17
44
35
8
4
0
0
0
0
3
15
11
11

Low Clouds (% Sky Obscured)

46
47
56
56
61
56
64
41
40
39
66
17
44
35
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
15
40
39
40
0
0
0
0
0
0
0
0
0
3
15
11
11

High Clouds (% Sky Obscured)

50
7
69
30
57
42
77
6
5
0
0
0
3
3
8
3
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
2
3
1
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)

11
11
11
12
13
15
16
16
13
12
12
13
13
12
7
8
9
10
10
10
9
8
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
70
72
74
70
65
58
58
59
59
58
46
45
47
46
52
48
48
51
54
58
67
75
78

Pressure (mb)

1008
1007
1007
1006
1006
1005
1004
1004
1004
1004
1004
1005
1005
1005
1006
1006
1006
1006
1006
1006
1007
1007
1008
1008

Ozone (du)

251
252
254
253
252
253
255
258
260
262
263
265
266
268
269
271
273
276
279
280
279
274
273
274

Friday 19

Waning Crescent 4%

No Rise

19:34

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

Sun - Rise: 07:16, Set: 19:44, Transit: 13:30. Moon - Rise: No Rise, Set: 19:34. Civil Dark: 20:29 - 06:31. Nautical Dark: 21:25 - 05:36. Astro Dark: 22:27 - 04:37

Total Clouds (% Sky Obscured)

0
0
0
10
80
80
83
78
78
100
98
100
31
22
33
19
40
45
50
99
93
82
69
84

Low Clouds (% Sky Obscured)

0
0
0
2
1
2
0
3
3
0
0
0
0
0
0
0
0
0
0
2
6
9
8
7

Medium Clouds (% Sky Obscured)

0
0
0
0
73
80
83
74
59
34
52
90
31
22
33
19
18
45
50
92
90
82
69
80

High Clouds (% Sky Obscured)

0
0
0
8
70
51
41
34
47
100
97
100
1
2
2
7
40
45
50
78
50
26
38
59

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
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

10
10
9
9
10
11
13
14
14
13
13
12
11
13
12
10
10
9
9
9
7
7
7
9

Dew Point (°C)

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

Relative Humidity (%)

81
88
91
93
83
75
68
59
54
46
43
43
44
45
52
60
61
62
62
60
59
60
61
63

Pressure (mb)

1008
1009
1009
1009
1009
1009
1008
1008
1007
1007
1007
1006
1006
1005
1005
1005
1004
1004
1003
1003
1002
1002
1001
1001

Ozone (du)

277
275
275
277
277
277
277
277
277
277
277
276
277
279
278
280
279
277
276
275
275
275
274
274

Saturday 20

Waning Crescent 1%

05:37

19:28

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

Sun - Rise: 07:19, Set: 19:41, Transit: 13:30. Moon - Rise: 05:37, Set: 19:28. Civil Dark: 20:26 - 06:34. Nautical Dark: 21:21 - 05:39. Astro Dark: 22:22 - 04:41

Total Clouds (% Sky Obscured)

99
76
99
100
71
39
8
39
69
100
100
100
100
100
100
100
100
100
100
99
98
97
98
99

Low Clouds (% Sky Obscured)

5
4
2
0
0
0
0
0
0
10
0
0
0
1
2
4
2
1
0
13
26
39
37
36

Medium Clouds (% Sky Obscured)

79
76
82
85
62
39
8
39
69
100
99
100
100
88
77
63
75
88
100
98
96
94
94
98

High Clouds (% Sky Obscured)

89
58
95
100
71
39
8
39
69
48
100
76
100
100
100
100
100
100
100
85
68
50
65
82

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
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
2
1
0
0
0
0
0
17
23
27
25
20
12
28
34
18
3
1
1
8
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

67
70
72
69
60
55
49
51
49
50
52
51
51
57
60
61
62
75
87
87
86
83
83
84

Pressure (mb)

1000
1000
999
998
998
997
996
996
995
994
994
993
993
992
992
991
990
990
989
988
988
987
987
986

Ozone (du)

274
273
273
274
275
275
275
276
278
280
278
277
277
278
279
278
278
278
278
280
280
281
282
283

Sunday 21

New Moon 0%

07:09

19:22

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
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 07:22, Set: 19:38, Transit: 13:30. Moon - Rise: 07:09, Set: 19:22. Civil Dark: 20:22 - 06:37. Nautical Dark: 21:17 - 05:42. Astro Dark: 22:18 - 04:45

Total Clouds (% Sky Obscured)

100
99
98
97
98
99
100
97
94
91
94
97
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

34
37
41
44
52
59
67
74
81
88
87
87
86
91
95
100
100
100
100
100
100
100
100
99

Medium Clouds (% Sky Obscured)

99
97
95
89
95
98
95
86
73
64
52
57
48
61
74
87
89
92
95
100
100
100
100
95

High Clouds (% Sky Obscured)

97
85
75
65
75
90
100
62
37
37
58
81
100
76
58
39
35
28
20
47
73
100
88
77

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

Precipitation Probability (%)

15
37
55
68
69
61
43
42
39
42
59
79
89
95
83
46
59
63
50
41
41
38
41
48

Precipitation Amount (mm)

0
0
0.2
0.3
0.4
0.2
0
0
0
0
0.2
0.5
0.6
0.8
0.4
0
0
0.3
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
87
88
87
84
82
74
68
63
59
57
57
59
64
70
76
85
84
84
84
84
82
82
82

Pressure (mb)

986
986
985
985
985
985
985
985
985
985
985
985
985
986
986
986
986
987
987
987
988
988
988
989

Ozone (du)

284
286
288
287
286
285
286
286
286
286
287
289
289
289
290
291
291
293
294
295
295
295
295
295

Monday 22

Waxing Crescent 1%

08:40

19:16

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
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 07:24, Set: 19:34, Transit: 13:29. Moon - Rise: 08:40, Set: 19:16. Civil Dark: 20:19 - 06:39. Nautical Dark: 21:13 - 05:45. Astro Dark: 22:14 - 04:48

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
99
98
97
96
95
92
93
94
95
97
98
98
99
100
100
100
100

Low Clouds (% Sky Obscured)

99
96
93
89
92
95
98
94
90
87
75
65
59
48
34
17
16
14
17
30
43
51
64
77

Medium Clouds (% Sky Obscured)

95
95
96
92
92
89
89
62
42
28
23
19
14
15
15
12
14
21
30
46
51
47
65
81

High Clouds (% Sky Obscured)

66
63
60
51
46
30
25
20
40
27
24
18
8
4
5
10
16
22
23
47
71
83
70
54

ISS Passover

Visibility (miles)

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

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
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
None
None
None
None
None

Precipitation Probability (%)

52
66
74
81
78
68
53
41
30
8
8
5
0
0
0
0
1
1
0
17
28
39
44
42

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
82
81
82
82
82
82
79
75
71
68
68
67
67
71
76
81
80
82
82
82
83
83
83

Pressure (mb)

989
990
990
991
992
993
994
995
997
998
999
999
1000
1001
1002
1002
1003
1003
1003
1003
1003
1003
1003
1003

Ozone (du)

294
293
295
296
298
296
295
293
291
289
286
286
285
285
284
283
282
283
284
285
286
287
288
291

Tuesday 23

Waxing Crescent 4%

10:11

19:10

Sun - Rise: 07:27, Set: 19:31, Transit: 13:29. Moon - Rise: 10:11, Set: 19:10. Civil Dark: 20:16 - 06:42. Nautical Dark: 21:10 - 05:48. Astro Dark: 22:09 - 04:52

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

Forecast for Yellowknife, North Slave Region, Canada (62.45,-114.37)

Generated: 17/09/25 05:52:24. Forecast: 17/09/25 to 23/09/25. Timezone: UTC-6.00